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Finding the Fourth Proportional to 10,508.88, 15,750.72 and 4,658.88

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Solution

The fourth proportional to 10,508.88, 15,750.72 and 4,658.88 is: 6,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.88 : 15,750.72 = 4,658.88 : x
  2. Step 2: Convert to fraction form
    10,508.88/15,750.72 = 4,658.88/x
  3. Step 3: Cross multiply
    10,508.88x = 15,750.72 × 4,658.88
  4. Step 4: Simplify right side
    10,508.88x = 73,380,714.39
  5. Step 5: Solve for x
    x = 73,380,714.39/10,508.88
  6. Step 6: Final answer
    x = 6,982.73

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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.