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Finding the Fourth Proportional to 50,475.80, 75,713.70 and 47,195.30

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Solution

The fourth proportional to 50,475.80, 75,713.70 and 47,195.30 is: 70,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,475.80 : 75,713.70 = 47,195.30 : x
  2. Step 2: Convert to fraction form
    50,475.80/75,713.70 = 47,195.30/x
  3. Step 3: Cross multiply
    50,475.80x = 75,713.70 × 47,195.30
  4. Step 4: Simplify right side
    50,475.80x = 3,573,330,785.61
  5. Step 5: Solve for x
    x = 3,573,330,785.61/50,475.80
  6. Step 6: Final answer
    x = 70,792.95

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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.