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Finding the Fourth Proportional to 61,307.54, 91,963.13 and 16,937.56

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Solution

The fourth proportional to 61,307.54, 91,963.13 and 16,937.56 is: 25,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,307.54 : 91,963.13 = 16,937.56 : x
  2. Step 2: Convert to fraction form
    61,307.54/91,963.13 = 16,937.56/x
  3. Step 3: Cross multiply
    61,307.54x = 91,963.13 × 16,937.56
  4. Step 4: Simplify right side
    61,307.54x = 1,557,631,032.16
  5. Step 5: Solve for x
    x = 1,557,631,032.16/61,307.54
  6. Step 6: Final answer
    x = 25,406.84

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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.