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Finding the Fourth Proportional to 8,668.11, 13,023.56 and 5,549.47

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Solution

The fourth proportional to 8,668.11, 13,023.56 and 5,549.47 is: 8,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.11 : 13,023.56 = 5,549.47 : x
  2. Step 2: Convert to fraction form
    8,668.11/13,023.56 = 5,549.47/x
  3. Step 3: Cross multiply
    8,668.11x = 13,023.56 × 5,549.47
  4. Step 4: Simplify right side
    8,668.11x = 72,273,855.51
  5. Step 5: Solve for x
    x = 72,273,855.51/8,668.11
  6. Step 6: Final answer
    x = 8,337.90

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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.