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Finding the Fourth Proportional to 8,832.74, 12,189.47 and 4,854.15

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Solution

The fourth proportional to 8,832.74, 12,189.47 and 4,854.15 is: 6,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.74 : 12,189.47 = 4,854.15 : x
  2. Step 2: Convert to fraction form
    8,832.74/12,189.47 = 4,854.15/x
  3. Step 3: Cross multiply
    8,832.74x = 12,189.47 × 4,854.15
  4. Step 4: Simplify right side
    8,832.74x = 59,169,491.53
  5. Step 5: Solve for x
    x = 59,169,491.53/8,832.74
  6. Step 6: Final answer
    x = 6,698.89

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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.