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Finding the Fourth Proportional to 8,559.68, 11,766.97 and 7,360.24

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Solution

The fourth proportional to 8,559.68, 11,766.97 and 7,360.24 is: 10,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.68 : 11,766.97 = 7,360.24 : x
  2. Step 2: Convert to fraction form
    8,559.68/11,766.97 = 7,360.24/x
  3. Step 3: Cross multiply
    8,559.68x = 11,766.97 × 7,360.24
  4. Step 4: Simplify right side
    8,559.68x = 86,607,758.21
  5. Step 5: Solve for x
    x = 86,607,758.21/8,559.68
  6. Step 6: Final answer
    x = 10,118.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.