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Finding the Fourth Proportional to 61,307.67, 91,963.25 and 16,934.43

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Solution

The fourth proportional to 61,307.67, 91,963.25 and 16,934.43 is: 25,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,307.67 : 91,963.25 = 16,934.43 : x
  2. Step 2: Convert to fraction form
    61,307.67/91,963.25 = 16,934.43/x
  3. Step 3: Cross multiply
    61,307.67x = 91,963.25 × 16,934.43
  4. Step 4: Simplify right side
    61,307.67x = 1,557,345,543.39
  5. Step 5: Solve for x
    x = 1,557,345,543.39/61,307.67
  6. Step 6: Final answer
    x = 25,402.13

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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.