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Finding the Fourth Proportional to 8,248.66, 12,375.04 and 2,405.32

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Solution

The fourth proportional to 8,248.66, 12,375.04 and 2,405.32 is: 3,608.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.66 : 12,375.04 = 2,405.32 : x
  2. Step 2: Convert to fraction form
    8,248.66/12,375.04 = 2,405.32/x
  3. Step 3: Cross multiply
    8,248.66x = 12,375.04 × 2,405.32
  4. Step 4: Simplify right side
    8,248.66x = 29,765,931.21
  5. Step 5: Solve for x
    x = 29,765,931.21/8,248.66
  6. Step 6: Final answer
    x = 3,608.58

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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.