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Finding the Fourth Proportional to 44,262.72, 66,408 and 13,098.24

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Solution

The fourth proportional to 44,262.72, 66,408 and 13,098.24 is: 19,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,262.72 : 66,408 = 13,098.24 : x
  2. Step 2: Convert to fraction form
    44,262.72/66,408 = 13,098.24/x
  3. Step 3: Cross multiply
    44,262.72x = 66,408 × 13,098.24
  4. Step 4: Simplify right side
    44,262.72x = 869,827,921.92
  5. Step 5: Solve for x
    x = 869,827,921.92/44,262.72
  6. Step 6: Final answer
    x = 19,651.48

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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.