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Finding the Fourth Proportional to 61,121.24, 91,713 and 29,558.24

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Solution

The fourth proportional to 61,121.24, 91,713 and 29,558.24 is: 44,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,121.24 : 91,713 = 29,558.24 : x
  2. Step 2: Convert to fraction form
    61,121.24/91,713 = 29,558.24/x
  3. Step 3: Cross multiply
    61,121.24x = 91,713 × 29,558.24
  4. Step 4: Simplify right side
    61,121.24x = 2,710,874,865.12
  5. Step 5: Solve for x
    x = 2,710,874,865.12/61,121.24
  6. Step 6: Final answer
    x = 44,352.42

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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.