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Finding the Fourth Proportional to 11,652.52, 17,481.10 and 5,412.28

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Solution

The fourth proportional to 11,652.52, 17,481.10 and 5,412.28 is: 8,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.52 : 17,481.10 = 5,412.28 : x
  2. Step 2: Convert to fraction form
    11,652.52/17,481.10 = 5,412.28/x
  3. Step 3: Cross multiply
    11,652.52x = 17,481.10 × 5,412.28
  4. Step 4: Simplify right side
    11,652.52x = 94,612,607.91
  5. Step 5: Solve for x
    x = 94,612,607.91/11,652.52
  6. Step 6: Final answer
    x = 8,119.50

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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.