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Finding the Fourth Proportional to 11,449.52, 17,167.08 and 4,429.52

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Solution

The fourth proportional to 11,449.52, 17,167.08 and 4,429.52 is: 6,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.52 : 17,167.08 = 4,429.52 : x
  2. Step 2: Convert to fraction form
    11,449.52/17,167.08 = 4,429.52/x
  3. Step 3: Cross multiply
    11,449.52x = 17,167.08 × 4,429.52
  4. Step 4: Simplify right side
    11,449.52x = 76,041,924.20
  5. Step 5: Solve for x
    x = 76,041,924.20/11,449.52
  6. Step 6: Final answer
    x = 6,641.49

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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.