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Finding the Fourth Proportional to 61,047.24, 91,496.92 and 25,913.12

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Solution

The fourth proportional to 61,047.24, 91,496.92 and 25,913.12 is: 38,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,047.24 : 91,496.92 = 25,913.12 : x
  2. Step 2: Convert to fraction form
    61,047.24/91,496.92 = 25,913.12/x
  3. Step 3: Cross multiply
    61,047.24x = 91,496.92 × 25,913.12
  4. Step 4: Simplify right side
    61,047.24x = 2,370,970,667.59
  5. Step 5: Solve for x
    x = 2,370,970,667.59/61,047.24
  6. Step 6: Final answer
    x = 38,838.29

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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.