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Finding the Fourth Proportional to 8,668.61, 13,024.31 and 5,549.97

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Solution

The fourth proportional to 8,668.61, 13,024.31 and 5,549.97 is: 8,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.61 : 13,024.31 = 5,549.97 : x
  2. Step 2: Convert to fraction form
    8,668.61/13,024.31 = 5,549.97/x
  3. Step 3: Cross multiply
    8,668.61x = 13,024.31 × 5,549.97
  4. Step 4: Simplify right side
    8,668.61x = 72,284,502.02
  5. Step 5: Solve for x
    x = 72,284,502.02/8,668.61
  6. Step 6: Final answer
    x = 8,338.65

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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.