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Finding the Fourth Proportional to 17,902.67, 26,854.72 and 4,755.15

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Solution

The fourth proportional to 17,902.67, 26,854.72 and 4,755.15 is: 7,132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,902.67 : 26,854.72 = 4,755.15 : x
  2. Step 2: Convert to fraction form
    17,902.67/26,854.72 = 4,755.15/x
  3. Step 3: Cross multiply
    17,902.67x = 26,854.72 × 4,755.15
  4. Step 4: Simplify right side
    17,902.67x = 127,698,209.92
  5. Step 5: Solve for x
    x = 127,698,209.92/17,902.67
  6. Step 6: Final answer
    x = 7,132.92

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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.