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Finding the Fourth Proportional to 8,853.18, 13,243.29 and 7,275.42

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Solution

The fourth proportional to 8,853.18, 13,243.29 and 7,275.42 is: 10,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.18 : 13,243.29 = 7,275.42 : x
  2. Step 2: Convert to fraction form
    8,853.18/13,243.29 = 7,275.42/x
  3. Step 3: Cross multiply
    8,853.18x = 13,243.29 × 7,275.42
  4. Step 4: Simplify right side
    8,853.18x = 96,350,496.93
  5. Step 5: Solve for x
    x = 96,350,496.93/8,853.18
  6. Step 6: Final answer
    x = 10,883.15

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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.