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Finding the Fourth Proportional to 57,043.70, 78,723.26 and 32,848.26

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Solution

The fourth proportional to 57,043.70, 78,723.26 and 32,848.26 is: 45,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,043.70 : 78,723.26 = 32,848.26 : x
  2. Step 2: Convert to fraction form
    57,043.70/78,723.26 = 32,848.26/x
  3. Step 3: Cross multiply
    57,043.70x = 78,723.26 × 32,848.26
  4. Step 4: Simplify right side
    57,043.70x = 2,585,921,554.67
  5. Step 5: Solve for x
    x = 2,585,921,554.67/57,043.70
  6. Step 6: Final answer
    x = 45,332.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.