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Finding the Fourth Proportional to 58,209.88, 80,367.24 and 36,729.76

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Solution

The fourth proportional to 58,209.88, 80,367.24 and 36,729.76 is: 50,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,209.88 : 80,367.24 = 36,729.76 : x
  2. Step 2: Convert to fraction form
    58,209.88/80,367.24 = 36,729.76/x
  3. Step 3: Cross multiply
    58,209.88x = 80,367.24 × 36,729.76
  4. Step 4: Simplify right side
    58,209.88x = 2,951,869,437.06
  5. Step 5: Solve for x
    x = 2,951,869,437.06/58,209.88
  6. Step 6: Final answer
    x = 50,710.80

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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.