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Finding the Fourth Proportional to 27,681.98, 38,190.11 and 17,053.16

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Solution

The fourth proportional to 27,681.98, 38,190.11 and 17,053.16 is: 23,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.98 : 38,190.11 = 17,053.16 : x
  2. Step 2: Convert to fraction form
    27,681.98/38,190.11 = 17,053.16/x
  3. Step 3: Cross multiply
    27,681.98x = 38,190.11 × 17,053.16
  4. Step 4: Simplify right side
    27,681.98x = 651,261,780.03
  5. Step 5: Solve for x
    x = 651,261,780.03/27,681.98
  6. Step 6: Final answer
    x = 23,526.56

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Half scale
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Double scale
Find fourth proportional to 27,682.98, 38,191.48 and 17,054.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.