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Finding the Fourth Proportional to 57,943.83, 86,768.73 and 48,559.17

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Solution

The fourth proportional to 57,943.83, 86,768.73 and 48,559.17 is: 72,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,943.83 : 86,768.73 = 48,559.17 : x
  2. Step 2: Convert to fraction form
    57,943.83/86,768.73 = 48,559.17/x
  3. Step 3: Cross multiply
    57,943.83x = 86,768.73 × 48,559.17
  4. Step 4: Simplify right side
    57,943.83x = 4,213,417,510.75
  5. Step 5: Solve for x
    x = 4,213,417,510.75/57,943.83
  6. Step 6: Final answer
    x = 72,715.55

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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.