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Finding the Fourth Proportional to 65,750.71, 98,650.91 and 39,473.77

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Solution

The fourth proportional to 65,750.71, 98,650.91 and 39,473.77 is: 59,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,750.71 : 98,650.91 = 39,473.77 : x
  2. Step 2: Convert to fraction form
    65,750.71/98,650.91 = 39,473.77/x
  3. Step 3: Cross multiply
    65,750.71x = 98,650.91 × 39,473.77
  4. Step 4: Simplify right side
    65,750.71x = 3,894,123,331.63
  5. Step 5: Solve for x
    x = 3,894,123,331.63/65,750.71
  6. Step 6: Final answer
    x = 59,225.57

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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.