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Finding the Fourth Proportional to 8,687.76, 13,014.36 and 7,593.36

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Solution

The fourth proportional to 8,687.76, 13,014.36 and 7,593.36 is: 11,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687.76 : 13,014.36 = 7,593.36 : x
  2. Step 2: Convert to fraction form
    8,687.76/13,014.36 = 7,593.36/x
  3. Step 3: Cross multiply
    8,687.76x = 13,014.36 × 7,593.36
  4. Step 4: Simplify right side
    8,687.76x = 98,822,720.65
  5. Step 5: Solve for x
    x = 98,822,720.65/8,687.76
  6. Step 6: Final answer
    x = 11,374.94

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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.