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Finding the Fourth Proportional to 8,635.83, 12,968.19 and 7,549.62

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Solution

The fourth proportional to 8,635.83, 12,968.19 and 7,549.62 is: 11,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.83 : 12,968.19 = 7,549.62 : x
  2. Step 2: Convert to fraction form
    8,635.83/12,968.19 = 7,549.62/x
  3. Step 3: Cross multiply
    8,635.83x = 12,968.19 × 7,549.62
  4. Step 4: Simplify right side
    8,635.83x = 97,904,906.59
  5. Step 5: Solve for x
    x = 97,904,906.59/8,635.83
  6. Step 6: Final answer
    x = 11,337.06

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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.