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Finding the Fourth Proportional to 18,732,002.80, 28,098,781.80 and 5,952,146.80

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Solution

The fourth proportional to 18,732,002.80, 28,098,781.80 and 5,952,146.80 is: 8,928,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732,002.80 : 28,098,781.80 = 5,952,146.80 : x
  2. Step 2: Convert to fraction form
    18,732,002.80/28,098,781.80 = 5,952,146.80/x
  3. Step 3: Cross multiply
    18,732,002.80x = 28,098,781.80 × 5,952,146.80
  4. Step 4: Simplify right side
    18,732,002.80x = 167,248,074,174,768.25
  5. Step 5: Solve for x
    x = 167,248,074,174,768.25/18,732,002.80
  6. Step 6: Final answer
    x = 8,928,467.28

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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.