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Finding the Fourth Proportional to 8,867.03, 12,236.59 and 4,888.29

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Solution

The fourth proportional to 8,867.03, 12,236.59 and 4,888.29 is: 6,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.03 : 12,236.59 = 4,888.29 : x
  2. Step 2: Convert to fraction form
    8,867.03/12,236.59 = 4,888.29/x
  3. Step 3: Cross multiply
    8,867.03x = 12,236.59 × 4,888.29
  4. Step 4: Simplify right side
    8,867.03x = 59,815,942.42
  5. Step 5: Solve for x
    x = 59,815,942.42/8,867.03
  6. Step 6: Final answer
    x = 6,745.88

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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.