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Finding the Fourth Proportional to 8,713.01, 13,062.17 and 3,778.93

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Solution

The fourth proportional to 8,713.01, 13,062.17 and 3,778.93 is: 5,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.01 : 13,062.17 = 3,778.93 : x
  2. Step 2: Convert to fraction form
    8,713.01/13,062.17 = 3,778.93/x
  3. Step 3: Cross multiply
    8,713.01x = 13,062.17 × 3,778.93
  4. Step 4: Simplify right side
    8,713.01x = 49,361,055.09
  5. Step 5: Solve for x
    x = 49,361,055.09/8,713.01
  6. Step 6: Final answer
    x = 5,665.21

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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.