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Finding the Fourth Proportional to 15,102.18, 22,660.70 and 6,788.07

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Solution

The fourth proportional to 15,102.18, 22,660.70 and 6,788.07 is: 10,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.18 : 22,660.70 = 6,788.07 : x
  2. Step 2: Convert to fraction form
    15,102.18/22,660.70 = 6,788.07/x
  3. Step 3: Cross multiply
    15,102.18x = 22,660.70 × 6,788.07
  4. Step 4: Simplify right side
    15,102.18x = 153,822,383.91
  5. Step 5: Solve for x
    x = 153,822,383.91/15,102.18
  6. Step 6: Final answer
    x = 10,185.44

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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.