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Finding the Fourth Proportional to 8,248.58, 12,373.24 and 2,405.20

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Solution

The fourth proportional to 8,248.58, 12,373.24 and 2,405.20 is: 3,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.58 : 12,373.24 = 2,405.20 : x
  2. Step 2: Convert to fraction form
    8,248.58/12,373.24 = 2,405.20/x
  3. Step 3: Cross multiply
    8,248.58x = 12,373.24 × 2,405.20
  4. Step 4: Simplify right side
    8,248.58x = 29,760,116.85
  5. Step 5: Solve for x
    x = 29,760,116.85/8,248.58
  6. Step 6: Final answer
    x = 3,607.91

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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.