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Finding the Fourth Proportional to 17,652.74, 26,490.04 and 15,837.53

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Solution

The fourth proportional to 17,652.74, 26,490.04 and 15,837.53 is: 23,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,652.74 : 26,490.04 = 15,837.53 : x
  2. Step 2: Convert to fraction form
    17,652.74/26,490.04 = 15,837.53/x
  3. Step 3: Cross multiply
    17,652.74x = 26,490.04 × 15,837.53
  4. Step 4: Simplify right side
    17,652.74x = 419,536,631.16
  5. Step 5: Solve for x
    x = 419,536,631.16/17,652.74
  6. Step 6: Final answer
    x = 23,766.10

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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.