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Finding the Fourth Proportional to 64,006.40, 95,887.20 and 34,414.40

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Solution

The fourth proportional to 64,006.40, 95,887.20 and 34,414.40 is: 51,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,006.40 : 95,887.20 = 34,414.40 : x
  2. Step 2: Convert to fraction form
    64,006.40/95,887.20 = 34,414.40/x
  3. Step 3: Cross multiply
    64,006.40x = 95,887.20 × 34,414.40
  4. Step 4: Simplify right side
    64,006.40x = 3,299,900,455.68
  5. Step 5: Solve for x
    x = 3,299,900,455.68/64,006.40
  6. Step 6: Final answer
    x = 51,555.79

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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.