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Finding the Fourth Proportional to 49,937.86, 74,899.11 and 14,871.94

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Solution

The fourth proportional to 49,937.86, 74,899.11 and 14,871.94 is: 22,305.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,937.86 : 74,899.11 = 14,871.94 : x
  2. Step 2: Convert to fraction form
    49,937.86/74,899.11 = 14,871.94/x
  3. Step 3: Cross multiply
    49,937.86x = 74,899.11 × 14,871.94
  4. Step 4: Simplify right side
    49,937.86x = 1,113,895,069.97
  5. Step 5: Solve for x
    x = 1,113,895,069.97/49,937.86
  6. Step 6: Final answer
    x = 22,305.62

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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.