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Finding the Fourth Proportional to 8,593.25, 12,890.66 and 2,670.17

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Solution

The fourth proportional to 8,593.25, 12,890.66 and 2,670.17 is: 4,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.25 : 12,890.66 = 2,670.17 : x
  2. Step 2: Convert to fraction form
    8,593.25/12,890.66 = 2,670.17/x
  3. Step 3: Cross multiply
    8,593.25x = 12,890.66 × 2,670.17
  4. Step 4: Simplify right side
    8,593.25x = 34,420,253.61
  5. Step 5: Solve for x
    x = 34,420,253.61/8,593.25
  6. Step 6: Final answer
    x = 4,005.50

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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.