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Finding the Fourth Proportional to 15,714.54, 23,575.29 and 4,621.29

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Solution

The fourth proportional to 15,714.54, 23,575.29 and 4,621.29 is: 6,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,714.54 : 23,575.29 = 4,621.29 : x
  2. Step 2: Convert to fraction form
    15,714.54/23,575.29 = 4,621.29/x
  3. Step 3: Cross multiply
    15,714.54x = 23,575.29 × 4,621.29
  4. Step 4: Simplify right side
    15,714.54x = 108,948,251.92
  5. Step 5: Solve for x
    x = 108,948,251.92/15,714.54
  6. Step 6: Final answer
    x = 6,932.96

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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.