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Finding the Fourth Proportional to 64,453.92, 96,719.15 and 34,871.10

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Solution

The fourth proportional to 64,453.92, 96,719.15 and 34,871.10 is: 52,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,453.92 : 96,719.15 = 34,871.10 : x
  2. Step 2: Convert to fraction form
    64,453.92/96,719.15 = 34,871.10/x
  3. Step 3: Cross multiply
    64,453.92x = 96,719.15 × 34,871.10
  4. Step 4: Simplify right side
    64,453.92x = 3,372,703,151.57
  5. Step 5: Solve for x
    x = 3,372,703,151.57/64,453.92
  6. Step 6: Final answer
    x = 52,327.35

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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.