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Finding the Fourth Proportional to 8,672.07, 13,008.15 and 2,098.25

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Solution

The fourth proportional to 8,672.07, 13,008.15 and 2,098.25 is: 3,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.07 : 13,008.15 = 2,098.25 : x
  2. Step 2: Convert to fraction form
    8,672.07/13,008.15 = 2,098.25/x
  3. Step 3: Cross multiply
    8,672.07x = 13,008.15 × 2,098.25
  4. Step 4: Simplify right side
    8,672.07x = 27,294,334.48
  5. Step 5: Solve for x
    x = 27,294,334.48/8,672.07
  6. Step 6: Final answer
    x = 3,147.38

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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.