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Finding the Fourth Proportional to 8,610.59, 12,911.39 and 3,063.12

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Solution

The fourth proportional to 8,610.59, 12,911.39 and 3,063.12 is: 4,593.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.59 : 12,911.39 = 3,063.12 : x
  2. Step 2: Convert to fraction form
    8,610.59/12,911.39 = 3,063.12/x
  3. Step 3: Cross multiply
    8,610.59x = 12,911.39 × 3,063.12
  4. Step 4: Simplify right side
    8,610.59x = 39,549,136.94
  5. Step 5: Solve for x
    x = 39,549,136.94/8,610.59
  6. Step 6: Final answer
    x = 4,593.08

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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.