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Finding the Fourth Proportional to 64,229.71, 96,364.02 and 45,545.86

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Solution

The fourth proportional to 64,229.71, 96,364.02 and 45,545.86 is: 68,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,229.71 : 96,364.02 = 45,545.86 : x
  2. Step 2: Convert to fraction form
    64,229.71/96,364.02 = 45,545.86/x
  3. Step 3: Cross multiply
    64,229.71x = 96,364.02 × 45,545.86
  4. Step 4: Simplify right side
    64,229.71x = 4,388,982,163.96
  5. Step 5: Solve for x
    x = 4,388,982,163.96/64,229.71
  6. Step 6: Final answer
    x = 68,332.59

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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.