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Finding the Fourth Proportional to 8,750.84, 12,076.56 and 4,772.18

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Solution

The fourth proportional to 8,750.84, 12,076.56 and 4,772.18 is: 6,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.84 : 12,076.56 = 4,772.18 : x
  2. Step 2: Convert to fraction form
    8,750.84/12,076.56 = 4,772.18/x
  3. Step 3: Cross multiply
    8,750.84x = 12,076.56 × 4,772.18
  4. Step 4: Simplify right side
    8,750.84x = 57,631,548.29
  5. Step 5: Solve for x
    x = 57,631,548.29/8,750.84
  6. Step 6: Final answer
    x = 6,585.83

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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.