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Finding the Fourth Proportional to 15,108.60, 22,642.84 and 6,787.06

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Solution

The fourth proportional to 15,108.60, 22,642.84 and 6,787.06 is: 10,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.60 : 22,642.84 = 6,787.06 : x
  2. Step 2: Convert to fraction form
    15,108.60/22,642.84 = 6,787.06/x
  3. Step 3: Cross multiply
    15,108.60x = 22,642.84 × 6,787.06
  4. Step 4: Simplify right side
    15,108.60x = 153,678,313.65
  5. Step 5: Solve for x
    x = 153,678,313.65/15,108.60
  6. Step 6: Final answer
    x = 10,171.58

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