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Finding the Fourth Proportional to 8,095.92, 12,135.60 and 4,394.40

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Solution

The fourth proportional to 8,095.92, 12,135.60 and 4,394.40 is: 6,587.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,095.92 : 12,135.60 = 4,394.40 : x
  2. Step 2: Convert to fraction form
    8,095.92/12,135.60 = 4,394.40/x
  3. Step 3: Cross multiply
    8,095.92x = 12,135.60 × 4,394.40
  4. Step 4: Simplify right side
    8,095.92x = 53,328,680.64
  5. Step 5: Solve for x
    x = 53,328,680.64/8,095.92
  6. Step 6: Final answer
    x = 6,587.11

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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.