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Finding the Fourth Proportional to 61,192.94, 91,680.79 and 25,575.75

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Solution

The fourth proportional to 61,192.94, 91,680.79 and 25,575.75 is: 38,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,192.94 : 91,680.79 = 25,575.75 : x
  2. Step 2: Convert to fraction form
    61,192.94/91,680.79 = 25,575.75/x
  3. Step 3: Cross multiply
    61,192.94x = 91,680.79 × 25,575.75
  4. Step 4: Simplify right side
    61,192.94x = 2,344,804,876.93
  5. Step 5: Solve for x
    x = 2,344,804,876.93/61,192.94
  6. Step 6: Final answer
    x = 38,318.22

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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.