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Finding the Fourth Proportional to 15,118.84, 22,670.45 and 6,791.74

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Solution

The fourth proportional to 15,118.84, 22,670.45 and 6,791.74 is: 10,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118.84 : 22,670.45 = 6,791.74 : x
  2. Step 2: Convert to fraction form
    15,118.84/22,670.45 = 6,791.74/x
  3. Step 3: Cross multiply
    15,118.84x = 22,670.45 × 6,791.74
  4. Step 4: Simplify right side
    15,118.84x = 153,971,736.92
  5. Step 5: Solve for x
    x = 153,971,736.92/15,118.84
  6. Step 6: Final answer
    x = 10,184.10

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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.