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Finding the Fourth Proportional to 44,749.62, 67,126.47 and 31,660.50

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Solution

The fourth proportional to 44,749.62, 67,126.47 and 31,660.50 is: 47,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,749.62 : 67,126.47 = 31,660.50 : x
  2. Step 2: Convert to fraction form
    44,749.62/67,126.47 = 31,660.50/x
  3. Step 3: Cross multiply
    44,749.62x = 67,126.47 × 31,660.50
  4. Step 4: Simplify right side
    44,749.62x = 2,125,257,603.44
  5. Step 5: Solve for x
    x = 2,125,257,603.44/44,749.62
  6. Step 6: Final answer
    x = 47,492.19

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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.