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Finding the Fourth Proportional to 49,539.92, 68,373.86 and 29,407.94

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Solution

The fourth proportional to 49,539.92, 68,373.86 and 29,407.94 is: 40,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,539.92 : 68,373.86 = 29,407.94 : x
  2. Step 2: Convert to fraction form
    49,539.92/68,373.86 = 29,407.94/x
  3. Step 3: Cross multiply
    49,539.92x = 68,373.86 × 29,407.94
  4. Step 4: Simplify right side
    49,539.92x = 2,010,734,139.94
  5. Step 5: Solve for x
    x = 2,010,734,139.94/49,539.92
  6. Step 6: Final answer
    x = 40,588.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.