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Finding the Fourth Proportional to 18,152, 24,972 and 17,374.40

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Solution

The fourth proportional to 18,152, 24,972 and 17,374.40 is: 23,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152 : 24,972 = 17,374.40 : x
  2. Step 2: Convert to fraction form
    18,152/24,972 = 17,374.40/x
  3. Step 3: Cross multiply
    18,152x = 24,972 × 17,374.40
  4. Step 4: Simplify right side
    18,152x = 433,873,516.80
  5. Step 5: Solve for x
    x = 433,873,516.80/18,152
  6. Step 6: Final answer
    x = 23,902.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.