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Finding the Fourth Proportional to 7,637.19, 10,539.25 and 7,010.25

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Solution

The fourth proportional to 7,637.19, 10,539.25 and 7,010.25 is: 9,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.19 : 10,539.25 = 7,010.25 : x
  2. Step 2: Convert to fraction form
    7,637.19/10,539.25 = 7,010.25/x
  3. Step 3: Cross multiply
    7,637.19x = 10,539.25 × 7,010.25
  4. Step 4: Simplify right side
    7,637.19x = 73,882,777.31
  5. Step 5: Solve for x
    x = 73,882,777.31/7,637.19
  6. Step 6: Final answer
    x = 9,674.08

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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.