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Finding the Fourth Proportional to 60,498.80, 90,748.20 and 53,281.70

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Solution

The fourth proportional to 60,498.80, 90,748.20 and 53,281.70 is: 79,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,498.80 : 90,748.20 = 53,281.70 : x
  2. Step 2: Convert to fraction form
    60,498.80/90,748.20 = 53,281.70/x
  3. Step 3: Cross multiply
    60,498.80x = 90,748.20 × 53,281.70
  4. Step 4: Simplify right side
    60,498.80x = 4,835,218,367.94
  5. Step 5: Solve for x
    x = 4,835,218,367.94/60,498.80
  6. Step 6: Final answer
    x = 79,922.55

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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.