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Finding the Fourth Proportional to 42,414.40, 63,650.40 and 23,694.40

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Solution

The fourth proportional to 42,414.40, 63,650.40 and 23,694.40 is: 35,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,414.40 : 63,650.40 = 23,694.40 : x
  2. Step 2: Convert to fraction form
    42,414.40/63,650.40 = 23,694.40/x
  3. Step 3: Cross multiply
    42,414.40x = 63,650.40 × 23,694.40
  4. Step 4: Simplify right side
    42,414.40x = 1,508,158,037.76
  5. Step 5: Solve for x
    x = 1,508,158,037.76/42,414.40
  6. Step 6: Final answer
    x = 35,557.69

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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.