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Finding the Fourth Proportional to 64,311.52, 95,897 and 60,021.76

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Solution

The fourth proportional to 64,311.52, 95,897 and 60,021.76 is: 89,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,311.52 : 95,897 = 60,021.76 : x
  2. Step 2: Convert to fraction form
    64,311.52/95,897 = 60,021.76/x
  3. Step 3: Cross multiply
    64,311.52x = 95,897 × 60,021.76
  4. Step 4: Simplify right side
    64,311.52x = 5,755,906,718.72
  5. Step 5: Solve for x
    x = 5,755,906,718.72/64,311.52
  6. Step 6: Final answer
    x = 89,500.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.