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Finding the Fourth Proportional to 57,955.30, 86,922.67 and 26,357.96

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Solution

The fourth proportional to 57,955.30, 86,922.67 and 26,357.96 is: 39,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,955.30 : 86,922.67 = 26,357.96 : x
  2. Step 2: Convert to fraction form
    57,955.30/86,922.67 = 26,357.96/x
  3. Step 3: Cross multiply
    57,955.30x = 86,922.67 × 26,357.96
  4. Step 4: Simplify right side
    57,955.30x = 2,291,103,970.85
  5. Step 5: Solve for x
    x = 2,291,103,970.85/57,955.30
  6. Step 6: Final answer
    x = 39,532.26

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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.