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Finding the Fourth Proportional to 57,943.33, 86,767.98 and 48,558.67

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Solution

The fourth proportional to 57,943.33, 86,767.98 and 48,558.67 is: 72,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,943.33 : 86,767.98 = 48,558.67 : x
  2. Step 2: Convert to fraction form
    57,943.33/86,767.98 = 48,558.67/x
  3. Step 3: Cross multiply
    57,943.33x = 86,767.98 × 48,558.67
  4. Step 4: Simplify right side
    57,943.33x = 4,213,337,707.39
  5. Step 5: Solve for x
    x = 4,213,337,707.39/57,943.33
  6. Step 6: Final answer
    x = 72,714.80

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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.