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Finding the Fourth Proportional to 60,951.80, 91,427.70 and 53,175.80

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Solution

The fourth proportional to 60,951.80, 91,427.70 and 53,175.80 is: 79,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,951.80 : 91,427.70 = 53,175.80 : x
  2. Step 2: Convert to fraction form
    60,951.80/91,427.70 = 53,175.80/x
  3. Step 3: Cross multiply
    60,951.80x = 91,427.70 × 53,175.80
  4. Step 4: Simplify right side
    60,951.80x = 4,861,741,089.66
  5. Step 5: Solve for x
    x = 4,861,741,089.66/60,951.80
  6. Step 6: Final answer
    x = 79,763.70

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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.