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Finding the Fourth Proportional to 8,325.92, 12,488.88 and 2,486.88

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Solution

The fourth proportional to 8,325.92, 12,488.88 and 2,486.88 is: 3,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.92 : 12,488.88 = 2,486.88 : x
  2. Step 2: Convert to fraction form
    8,325.92/12,488.88 = 2,486.88/x
  3. Step 3: Cross multiply
    8,325.92x = 12,488.88 × 2,486.88
  4. Step 4: Simplify right side
    8,325.92x = 31,058,345.89
  5. Step 5: Solve for x
    x = 31,058,345.89/8,325.92
  6. Step 6: Final answer
    x = 3,730.32

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.