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Finding the Fourth Proportional to 53,375.70, 80,060.65 and 27,079.76

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Solution

The fourth proportional to 53,375.70, 80,060.65 and 27,079.76 is: 40,618.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,375.70 : 80,060.65 = 27,079.76 : x
  2. Step 2: Convert to fraction form
    53,375.70/80,060.65 = 27,079.76/x
  3. Step 3: Cross multiply
    53,375.70x = 80,060.65 × 27,079.76
  4. Step 4: Simplify right side
    53,375.70x = 2,168,023,187.44
  5. Step 5: Solve for x
    x = 2,168,023,187.44/53,375.70
  6. Step 6: Final answer
    x = 40,618.17

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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.