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Finding the Fourth Proportional to 8,888.84, 12,272.10 and 6,246.92

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Solution

The fourth proportional to 8,888.84, 12,272.10 and 6,246.92 is: 8,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.84 : 12,272.10 = 6,246.92 : x
  2. Step 2: Convert to fraction form
    8,888.84/12,272.10 = 6,246.92/x
  3. Step 3: Cross multiply
    8,888.84x = 12,272.10 × 6,246.92
  4. Step 4: Simplify right side
    8,888.84x = 76,662,826.93
  5. Step 5: Solve for x
    x = 76,662,826.93/8,888.84
  6. Step 6: Final answer
    x = 8,624.62

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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.