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Finding the Fourth Proportional to 10,447.92, 14,424.89 and 6,473.25

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Solution

The fourth proportional to 10,447.92, 14,424.89 and 6,473.25 is: 8,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.92 : 14,424.89 = 6,473.25 : x
  2. Step 2: Convert to fraction form
    10,447.92/14,424.89 = 6,473.25/x
  3. Step 3: Cross multiply
    10,447.92x = 14,424.89 × 6,473.25
  4. Step 4: Simplify right side
    10,447.92x = 93,375,886.83
  5. Step 5: Solve for x
    x = 93,375,886.83/10,447.92
  6. Step 6: Final answer
    x = 8,937.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.