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Finding the Fourth Proportional to 71,603.97, 107,404.83 and 17,569.23

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Solution

The fourth proportional to 71,603.97, 107,404.83 and 17,569.23 is: 26,353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,603.97 : 107,404.83 = 17,569.23 : x
  2. Step 2: Convert to fraction form
    71,603.97/107,404.83 = 17,569.23/x
  3. Step 3: Cross multiply
    71,603.97x = 107,404.83 × 17,569.23
  4. Step 4: Simplify right side
    71,603.97x = 1,887,020,161.38
  5. Step 5: Solve for x
    x = 1,887,020,161.38/71,603.97
  6. Step 6: Final answer
    x = 26,353.57

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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.