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Finding the Fourth Proportional to 31,569.20, 47,332.20 and 14,937.20

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Solution

The fourth proportional to 31,569.20, 47,332.20 and 14,937.20 is: 22,395.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569.20 : 47,332.20 = 14,937.20 : x
  2. Step 2: Convert to fraction form
    31,569.20/47,332.20 = 14,937.20/x
  3. Step 3: Cross multiply
    31,569.20x = 47,332.20 × 14,937.20
  4. Step 4: Simplify right side
    31,569.20x = 707,010,537.84
  5. Step 5: Solve for x
    x = 707,010,537.84/31,569.20
  6. Step 6: Final answer
    x = 22,395.58

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1.5x scale

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.