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Finding the Fourth Proportional to 8,368.88, 12,553.90 and 2,445.82

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Solution

The fourth proportional to 8,368.88, 12,553.90 and 2,445.82 is: 3,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.88 : 12,553.90 = 2,445.82 : x
  2. Step 2: Convert to fraction form
    8,368.88/12,553.90 = 2,445.82/x
  3. Step 3: Cross multiply
    8,368.88x = 12,553.90 × 2,445.82
  4. Step 4: Simplify right side
    8,368.88x = 30,704,542.20
  5. Step 5: Solve for x
    x = 30,704,542.20/8,368.88
  6. Step 6: Final answer
    x = 3,668.90

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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.