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Finding the Fourth Proportional to 8,862.71, 12,228.41 and 5,837.52

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Solution

The fourth proportional to 8,862.71, 12,228.41 and 5,837.52 is: 8,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.71 : 12,228.41 = 5,837.52 : x
  2. Step 2: Convert to fraction form
    8,862.71/12,228.41 = 5,837.52/x
  3. Step 3: Cross multiply
    8,862.71x = 12,228.41 × 5,837.52
  4. Step 4: Simplify right side
    8,862.71x = 71,383,512.21
  5. Step 5: Solve for x
    x = 71,383,512.21/8,862.71
  6. Step 6: Final answer
    x = 8,054.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.