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Finding the Fourth Proportional to 8,598.10, 12,897.15 and 6,651.70

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Solution

The fourth proportional to 8,598.10, 12,897.15 and 6,651.70 is: 9,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.10 : 12,897.15 = 6,651.70 : x
  2. Step 2: Convert to fraction form
    8,598.10/12,897.15 = 6,651.70/x
  3. Step 3: Cross multiply
    8,598.10x = 12,897.15 × 6,651.70
  4. Step 4: Simplify right side
    8,598.10x = 85,787,972.66
  5. Step 5: Solve for x
    x = 85,787,972.66/8,598.10
  6. Step 6: Final answer
    x = 9,977.55

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Similar ratio
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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.