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Finding the Fourth Proportional to 8,722.15, 12,036.01 and 4,893.58

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Solution

The fourth proportional to 8,722.15, 12,036.01 and 4,893.58 is: 6,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.15 : 12,036.01 = 4,893.58 : x
  2. Step 2: Convert to fraction form
    8,722.15/12,036.01 = 4,893.58/x
  3. Step 3: Cross multiply
    8,722.15x = 12,036.01 × 4,893.58
  4. Step 4: Simplify right side
    8,722.15x = 58,899,177.82
  5. Step 5: Solve for x
    x = 58,899,177.82/8,722.15
  6. Step 6: Final answer
    x = 6,752.83

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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.