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Finding the Fourth Proportional to 29,549.80, 39,270.13 and 29,549.80

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Solution

The fourth proportional to 29,549.80, 39,270.13 and 29,549.80 is: 39,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,549.80 : 39,270.13 = 29,549.80 : x
  2. Step 2: Convert to fraction form
    29,549.80/39,270.13 = 29,549.80/x
  3. Step 3: Cross multiply
    29,549.80x = 39,270.13 × 29,549.80
  4. Step 4: Simplify right side
    29,549.80x = 1,160,424,487.47
  5. Step 5: Solve for x
    x = 1,160,424,487.47/29,549.80
  6. Step 6: Final answer
    x = 39,270.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.