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Finding the Fourth Proportional to 56,616.30, 84,902.85 and 17,160.30

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Solution

The fourth proportional to 56,616.30, 84,902.85 and 17,160.30 is: 25,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,616.30 : 84,902.85 = 17,160.30 : x
  2. Step 2: Convert to fraction form
    56,616.30/84,902.85 = 17,160.30/x
  3. Step 3: Cross multiply
    56,616.30x = 84,902.85 × 17,160.30
  4. Step 4: Simplify right side
    56,616.30x = 1,456,958,376.86
  5. Step 5: Solve for x
    x = 1,456,958,376.86/56,616.30
  6. Step 6: Final answer
    x = 25,733.90

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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.