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Finding the Fourth Proportional to 17,982.49, 26,901.46 and 15,543.49

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Solution

The fourth proportional to 17,982.49, 26,901.46 and 15,543.49 is: 23,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.49 : 26,901.46 = 15,543.49 : x
  2. Step 2: Convert to fraction form
    17,982.49/26,901.46 = 15,543.49/x
  3. Step 3: Cross multiply
    17,982.49x = 26,901.46 × 15,543.49
  4. Step 4: Simplify right side
    17,982.49x = 418,142,574.50
  5. Step 5: Solve for x
    x = 418,142,574.50/17,982.49
  6. Step 6: Final answer
    x = 23,252.76

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1.5x scale

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.