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Finding the Fourth Proportional to 61,226.16, 91,874.67 and 25,684.30

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Solution

The fourth proportional to 61,226.16, 91,874.67 and 25,684.30 is: 38,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,226.16 : 91,874.67 = 25,684.30 : x
  2. Step 2: Convert to fraction form
    61,226.16/91,874.67 = 25,684.30/x
  3. Step 3: Cross multiply
    61,226.16x = 91,874.67 × 25,684.30
  4. Step 4: Simplify right side
    61,226.16x = 2,359,736,586.68
  5. Step 5: Solve for x
    x = 2,359,736,586.68/61,226.16
  6. Step 6: Final answer
    x = 38,541.31

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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.