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Finding the Fourth Proportional to 8,008.92, 11,062.98 and 6,442.92

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Solution

The fourth proportional to 8,008.92, 11,062.98 and 6,442.92 is: 8,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.92 : 11,062.98 = 6,442.92 : x
  2. Step 2: Convert to fraction form
    8,008.92/11,062.98 = 6,442.92/x
  3. Step 3: Cross multiply
    8,008.92x = 11,062.98 × 6,442.92
  4. Step 4: Simplify right side
    8,008.92x = 71,277,895.10
  5. Step 5: Solve for x
    x = 71,277,895.10/8,008.92
  6. Step 6: Final answer
    x = 8,899.81

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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.