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Finding the Fourth Proportional to 24,581,251.80, 36,871,877.70 and 15,645,418.20

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Solution

The fourth proportional to 24,581,251.80, 36,871,877.70 and 15,645,418.20 is: 23,468,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,581,251.80 : 36,871,877.70 = 15,645,418.20 : x
  2. Step 2: Convert to fraction form
    24,581,251.80/36,871,877.70 = 15,645,418.20/x
  3. Step 3: Cross multiply
    24,581,251.80x = 36,871,877.70 × 15,645,418.20
  4. Step 4: Simplify right side
    24,581,251.80x = 576,875,946,435,754.12
  5. Step 5: Solve for x
    x = 576,875,946,435,754.12/24,581,251.80
  6. Step 6: Final answer
    x = 23,468,127.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.