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Finding the Fourth Proportional to 61,304.87, 91,955.48 and 16,934.28

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Solution

The fourth proportional to 61,304.87, 91,955.48 and 16,934.28 is: 25,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,304.87 : 91,955.48 = 16,934.28 : x
  2. Step 2: Convert to fraction form
    61,304.87/91,955.48 = 16,934.28/x
  3. Step 3: Cross multiply
    61,304.87x = 91,955.48 × 16,934.28
  4. Step 4: Simplify right side
    61,304.87x = 1,557,199,761.18
  5. Step 5: Solve for x
    x = 1,557,199,761.18/61,304.87
  6. Step 6: Final answer
    x = 25,400.92

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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.