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Finding the Fourth Proportional to 4,996.13, 7,502.69 and 4,787.15

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Solution

The fourth proportional to 4,996.13, 7,502.69 and 4,787.15 is: 7,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996.13 : 7,502.69 = 4,787.15 : x
  2. Step 2: Convert to fraction form
    4,996.13/7,502.69 = 4,787.15/x
  3. Step 3: Cross multiply
    4,996.13x = 7,502.69 × 4,787.15
  4. Step 4: Simplify right side
    4,996.13x = 35,916,464.92
  5. Step 5: Solve for x
    x = 35,916,464.92/4,996.13
  6. Step 6: Final answer
    x = 7,188.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.