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Finding the Fourth Proportional to 43,486.52, 65,227.67 and 25,484.78

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Solution

The fourth proportional to 43,486.52, 65,227.67 and 25,484.78 is: 38,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.52 : 65,227.67 = 25,484.78 : x
  2. Step 2: Convert to fraction form
    43,486.52/65,227.67 = 25,484.78/x
  3. Step 3: Cross multiply
    43,486.52x = 65,227.67 × 25,484.78
  4. Step 4: Simplify right side
    43,486.52x = 1,662,312,366.30
  5. Step 5: Solve for x
    x = 1,662,312,366.30/43,486.52
  6. Step 6: Final answer
    x = 38,225.93

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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.