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Finding the Fourth Proportional to 62,749.88, 94,124.85 and 39,392.72

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Solution

The fourth proportional to 62,749.88, 94,124.85 and 39,392.72 is: 59,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,749.88 : 94,124.85 = 39,392.72 : x
  2. Step 2: Convert to fraction form
    62,749.88/94,124.85 = 39,392.72/x
  3. Step 3: Cross multiply
    62,749.88x = 94,124.85 × 39,392.72
  4. Step 4: Simplify right side
    62,749.88x = 3,707,833,861.09
  5. Step 5: Solve for x
    x = 3,707,833,861.09/62,749.88
  6. Step 6: Final answer
    x = 59,089.10

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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.