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Finding the Fourth Proportional to 5,570.73, 7,681.10 and 4,448.07

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Solution

The fourth proportional to 5,570.73, 7,681.10 and 4,448.07 is: 6,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.73 : 7,681.10 = 4,448.07 : x
  2. Step 2: Convert to fraction form
    5,570.73/7,681.10 = 4,448.07/x
  3. Step 3: Cross multiply
    5,570.73x = 7,681.10 × 4,448.07
  4. Step 4: Simplify right side
    5,570.73x = 34,166,048.24
  5. Step 5: Solve for x
    x = 34,166,048.24/5,570.73
  6. Step 6: Final answer
    x = 6,133.14

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Half scale
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Double scale
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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.