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Finding the Fourth Proportional to 61,307.13, 91,960.90 and 16,932.90

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Solution

The fourth proportional to 61,307.13, 91,960.90 and 16,932.90 is: 25,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,307.13 : 91,960.90 = 16,932.90 : x
  2. Step 2: Convert to fraction form
    61,307.13/91,960.90 = 16,932.90/x
  3. Step 3: Cross multiply
    61,307.13x = 91,960.90 × 16,932.90
  4. Step 4: Simplify right side
    61,307.13x = 1,557,164,723.61
  5. Step 5: Solve for x
    x = 1,557,164,723.61/61,307.13
  6. Step 6: Final answer
    x = 25,399.41

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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.