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Finding the Fourth Proportional to 64,032.52, 96,082.62 and 45,432.76

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Solution

The fourth proportional to 64,032.52, 96,082.62 and 45,432.76 is: 68,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,032.52 : 96,082.62 = 45,432.76 : x
  2. Step 2: Convert to fraction form
    64,032.52/96,082.62 = 45,432.76/x
  3. Step 3: Cross multiply
    64,032.52x = 96,082.62 × 45,432.76
  4. Step 4: Simplify right side
    64,032.52x = 4,365,298,614.63
  5. Step 5: Solve for x
    x = 4,365,298,614.63/64,032.52
  6. Step 6: Final answer
    x = 68,173.15

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1.5x scale

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.