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Finding the Fourth Proportional to 58,049.60, 80,155.85 and 47,296.04

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Solution

The fourth proportional to 58,049.60, 80,155.85 and 47,296.04 is: 65,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,049.60 : 80,155.85 = 47,296.04 : x
  2. Step 2: Convert to fraction form
    58,049.60/80,155.85 = 47,296.04/x
  3. Step 3: Cross multiply
    58,049.60x = 80,155.85 × 47,296.04
  4. Step 4: Simplify right side
    58,049.60x = 3,791,053,650.57
  5. Step 5: Solve for x
    x = 3,791,053,650.57/58,049.60
  6. Step 6: Final answer
    x = 65,307.15

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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.