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Finding the Fourth Proportional to 43,937.72, 65,892.94 and 15,854.12

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Solution

The fourth proportional to 43,937.72, 65,892.94 and 15,854.12 is: 23,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,937.72 : 65,892.94 = 15,854.12 : x
  2. Step 2: Convert to fraction form
    43,937.72/65,892.94 = 15,854.12/x
  3. Step 3: Cross multiply
    43,937.72x = 65,892.94 × 15,854.12
  4. Step 4: Simplify right side
    43,937.72x = 1,044,674,703.01
  5. Step 5: Solve for x
    x = 1,044,674,703.01/43,937.72
  6. Step 6: Final answer
    x = 23,776.26

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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.