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Finding the Fourth Proportional to 36,345.60, 54,512.06 and 9,691.92

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Solution

The fourth proportional to 36,345.60, 54,512.06 and 9,691.92 is: 14,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,345.60 : 54,512.06 = 9,691.92 : x
  2. Step 2: Convert to fraction form
    36,345.60/54,512.06 = 9,691.92/x
  3. Step 3: Cross multiply
    36,345.60x = 54,512.06 × 9,691.92
  4. Step 4: Simplify right side
    36,345.60x = 528,326,476.10
  5. Step 5: Solve for x
    x = 528,326,476.10/36,345.60
  6. Step 6: Final answer
    x = 14,536.19

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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.