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Finding the Fourth Proportional to 11,374.32, 17,062.92 and 4,447.92

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Solution

The fourth proportional to 11,374.32, 17,062.92 and 4,447.92 is: 6,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.32 : 17,062.92 = 4,447.92 : x
  2. Step 2: Convert to fraction form
    11,374.32/17,062.92 = 4,447.92/x
  3. Step 3: Cross multiply
    11,374.32x = 17,062.92 × 4,447.92
  4. Step 4: Simplify right side
    11,374.32x = 75,894,503.13
  5. Step 5: Solve for x
    x = 75,894,503.13/11,374.32
  6. Step 6: Final answer
    x = 6,672.44

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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.