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Finding the Fourth Proportional to 8,716.59, 12,060.57 and 7,599.86

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Solution

The fourth proportional to 8,716.59, 12,060.57 and 7,599.86 is: 10,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.59 : 12,060.57 = 7,599.86 : x
  2. Step 2: Convert to fraction form
    8,716.59/12,060.57 = 7,599.86/x
  3. Step 3: Cross multiply
    8,716.59x = 12,060.57 × 7,599.86
  4. Step 4: Simplify right side
    8,716.59x = 91,658,583.22
  5. Step 5: Solve for x
    x = 91,658,583.22/8,716.59
  6. Step 6: Final answer
    x = 10,515.42

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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.