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Finding the Fourth Proportional to 87,335.32, 120,522.72 and 47,591.32

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Solution

The fourth proportional to 87,335.32, 120,522.72 and 47,591.32 is: 65,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,335.32 : 120,522.72 = 47,591.32 : x
  2. Step 2: Convert to fraction form
    87,335.32/120,522.72 = 47,591.32/x
  3. Step 3: Cross multiply
    87,335.32x = 120,522.72 × 47,591.32
  4. Step 4: Simplify right side
    87,335.32x = 5,735,835,334.79
  5. Step 5: Solve for x
    x = 5,735,835,334.79/87,335.32
  6. Step 6: Final answer
    x = 65,676.01

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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.