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Finding the Fourth Proportional to 8,833.92, 12,181.47 and 7,416.63

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Solution

The fourth proportional to 8,833.92, 12,181.47 and 7,416.63 is: 10,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.92 : 12,181.47 = 7,416.63 : x
  2. Step 2: Convert to fraction form
    8,833.92/12,181.47 = 7,416.63/x
  3. Step 3: Cross multiply
    8,833.92x = 12,181.47 × 7,416.63
  4. Step 4: Simplify right side
    8,833.92x = 90,345,455.85
  5. Step 5: Solve for x
    x = 90,345,455.85/8,833.92
  6. Step 6: Final answer
    x = 10,227.11

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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.