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Finding the Fourth Proportional to 53,463.65, 80,124.66 and 28,449.77

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Solution

The fourth proportional to 53,463.65, 80,124.66 and 28,449.77 is: 42,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,463.65 : 80,124.66 = 28,449.77 : x
  2. Step 2: Convert to fraction form
    53,463.65/80,124.66 = 28,449.77/x
  3. Step 3: Cross multiply
    53,463.65x = 80,124.66 × 28,449.77
  4. Step 4: Simplify right side
    53,463.65x = 2,279,527,747.70
  5. Step 5: Solve for x
    x = 2,279,527,747.70/53,463.65
  6. Step 6: Final answer
    x = 42,636.97

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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.