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Finding the Fourth Proportional to 8,394.12, 11,582.84 and 5,036.46

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Solution

The fourth proportional to 8,394.12, 11,582.84 and 5,036.46 is: 6,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.12 : 11,582.84 = 5,036.46 : x
  2. Step 2: Convert to fraction form
    8,394.12/11,582.84 = 5,036.46/x
  3. Step 3: Cross multiply
    8,394.12x = 11,582.84 × 5,036.46
  4. Step 4: Simplify right side
    8,394.12x = 58,336,510.35
  5. Step 5: Solve for x
    x = 58,336,510.35/8,394.12
  6. Step 6: Final answer
    x = 6,949.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.