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Finding the Fourth Proportional to 59,659.52, 89,487.20 and 15,286.64

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Solution

The fourth proportional to 59,659.52, 89,487.20 and 15,286.64 is: 22,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,659.52 : 89,487.20 = 15,286.64 : x
  2. Step 2: Convert to fraction form
    59,659.52/89,487.20 = 15,286.64/x
  3. Step 3: Cross multiply
    59,659.52x = 89,487.20 × 15,286.64
  4. Step 4: Simplify right side
    59,659.52x = 1,367,958,611.01
  5. Step 5: Solve for x
    x = 1,367,958,611.01/59,659.52
  6. Step 6: Final answer
    x = 22,929.43

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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.