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Finding the Fourth Proportional to 17,938.18, 26,903.67 and 17,049.03

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Solution

The fourth proportional to 17,938.18, 26,903.67 and 17,049.03 is: 25,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.18 : 26,903.67 = 17,049.03 : x
  2. Step 2: Convert to fraction form
    17,938.18/26,903.67 = 17,049.03/x
  3. Step 3: Cross multiply
    17,938.18x = 26,903.67 × 17,049.03
  4. Step 4: Simplify right side
    17,938.18x = 458,681,511.40
  5. Step 5: Solve for x
    x = 458,681,511.40/17,938.18
  6. Step 6: Final answer
    x = 25,570.12

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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.