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Finding the Fourth Proportional to 65,251.44, 90,059.94 and 42,594.12

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Solution

The fourth proportional to 65,251.44, 90,059.94 and 42,594.12 is: 58,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,251.44 : 90,059.94 = 42,594.12 : x
  2. Step 2: Convert to fraction form
    65,251.44/90,059.94 = 42,594.12/x
  3. Step 3: Cross multiply
    65,251.44x = 90,059.94 × 42,594.12
  4. Step 4: Simplify right side
    65,251.44x = 3,836,023,891.55
  5. Step 5: Solve for x
    x = 3,836,023,891.55/65,251.44
  6. Step 6: Final answer
    x = 58,788.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.