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Finding the Fourth Proportional to 41,155.92, 61,721.16 and 14,857.32

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Solution

The fourth proportional to 41,155.92, 61,721.16 and 14,857.32 is: 22,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,155.92 : 61,721.16 = 14,857.32 : x
  2. Step 2: Convert to fraction form
    41,155.92/61,721.16 = 14,857.32/x
  3. Step 3: Cross multiply
    41,155.92x = 61,721.16 × 14,857.32
  4. Step 4: Simplify right side
    41,155.92x = 917,011,024.89
  5. Step 5: Solve for x
    x = 917,011,024.89/41,155.92
  6. Step 6: Final answer
    x = 22,281.39

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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.