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Finding the Fourth Proportional to 10,407.44, 14,362.08 and 5,691.68

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Solution

The fourth proportional to 10,407.44, 14,362.08 and 5,691.68 is: 7,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.44 : 14,362.08 = 5,691.68 : x
  2. Step 2: Convert to fraction form
    10,407.44/14,362.08 = 5,691.68/x
  3. Step 3: Cross multiply
    10,407.44x = 14,362.08 × 5,691.68
  4. Step 4: Simplify right side
    10,407.44x = 81,744,363.49
  5. Step 5: Solve for x
    x = 81,744,363.49/10,407.44
  6. Step 6: Final answer
    x = 7,854.42

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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.