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Finding the Fourth Proportional to 44,631.16, 66,904 and 16,543.68

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Solution

The fourth proportional to 44,631.16, 66,904 and 16,543.68 is: 24,799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,631.16 : 66,904 = 16,543.68 : x
  2. Step 2: Convert to fraction form
    44,631.16/66,904 = 16,543.68/x
  3. Step 3: Cross multiply
    44,631.16x = 66,904 × 16,543.68
  4. Step 4: Simplify right side
    44,631.16x = 1,106,838,366.72
  5. Step 5: Solve for x
    x = 1,106,838,366.72/44,631.16
  6. Step 6: Final answer
    x = 24,799.68

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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.