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Finding the Fourth Proportional to 8,417.25, 11,616.17 and 4,691.25

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Solution

The fourth proportional to 8,417.25, 11,616.17 and 4,691.25 is: 6,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.25 : 11,616.17 = 4,691.25 : x
  2. Step 2: Convert to fraction form
    8,417.25/11,616.17 = 4,691.25/x
  3. Step 3: Cross multiply
    8,417.25x = 11,616.17 × 4,691.25
  4. Step 4: Simplify right side
    8,417.25x = 54,494,334.06
  5. Step 5: Solve for x
    x = 54,494,334.06/8,417.25
  6. Step 6: Final answer
    x = 6,474.13

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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.