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Finding the Fourth Proportional to 8,826.75, 12,181.05 and 6,590.61

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Solution

The fourth proportional to 8,826.75, 12,181.05 and 6,590.61 is: 9,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.75 : 12,181.05 = 6,590.61 : x
  2. Step 2: Convert to fraction form
    8,826.75/12,181.05 = 6,590.61/x
  3. Step 3: Cross multiply
    8,826.75x = 12,181.05 × 6,590.61
  4. Step 4: Simplify right side
    8,826.75x = 80,280,549.94
  5. Step 5: Solve for x
    x = 80,280,549.94/8,826.75
  6. Step 6: Final answer
    x = 9,095.14

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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.