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Finding the Fourth Proportional to 8,858.67, 12,232.01 and 6,865.76

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Solution

The fourth proportional to 8,858.67, 12,232.01 and 6,865.76 is: 9,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.67 : 12,232.01 = 6,865.76 : x
  2. Step 2: Convert to fraction form
    8,858.67/12,232.01 = 6,865.76/x
  3. Step 3: Cross multiply
    8,858.67x = 12,232.01 × 6,865.76
  4. Step 4: Simplify right side
    8,858.67x = 83,982,092.72
  5. Step 5: Solve for x
    x = 83,982,092.72/8,858.67
  6. Step 6: Final answer
    x = 9,480.22

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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.