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Finding the Fourth Proportional to 49,487.77, 73,894.02 and 39,379.04

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Solution

The fourth proportional to 49,487.77, 73,894.02 and 39,379.04 is: 58,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,487.77 : 73,894.02 = 39,379.04 : x
  2. Step 2: Convert to fraction form
    49,487.77/73,894.02 = 39,379.04/x
  3. Step 3: Cross multiply
    49,487.77x = 73,894.02 × 39,379.04
  4. Step 4: Simplify right side
    49,487.77x = 2,909,875,623.70
  5. Step 5: Solve for x
    x = 2,909,875,623.70/49,487.77
  6. Step 6: Final answer
    x = 58,799.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.