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Finding the Fourth Proportional to 8,383.92, 11,566.80 and 5,870.04

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Solution

The fourth proportional to 8,383.92, 11,566.80 and 5,870.04 is: 8,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.92 : 11,566.80 = 5,870.04 : x
  2. Step 2: Convert to fraction form
    8,383.92/11,566.80 = 5,870.04/x
  3. Step 3: Cross multiply
    8,383.92x = 11,566.80 × 5,870.04
  4. Step 4: Simplify right side
    8,383.92x = 67,897,578.67
  5. Step 5: Solve for x
    x = 67,897,578.67/8,383.92
  6. Step 6: Final answer
    x = 8,098.55

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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.