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Finding the Fourth Proportional to 8,864.76, 12,233.22 and 4,885.76

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Solution

The fourth proportional to 8,864.76, 12,233.22 and 4,885.76 is: 6,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.76 : 12,233.22 = 4,885.76 : x
  2. Step 2: Convert to fraction form
    8,864.76/12,233.22 = 4,885.76/x
  3. Step 3: Cross multiply
    8,864.76x = 12,233.22 × 4,885.76
  4. Step 4: Simplify right side
    8,864.76x = 59,768,576.95
  5. Step 5: Solve for x
    x = 59,768,576.95/8,864.76
  6. Step 6: Final answer
    x = 6,742.27

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Double scale
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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.