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Finding the Fourth Proportional to 57,153.33, 78,874.44 and 34,491.92

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Solution

The fourth proportional to 57,153.33, 78,874.44 and 34,491.92 is: 47,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.33 : 78,874.44 = 34,491.92 : x
  2. Step 2: Convert to fraction form
    57,153.33/78,874.44 = 34,491.92/x
  3. Step 3: Cross multiply
    57,153.33x = 78,874.44 × 34,491.92
  4. Step 4: Simplify right side
    57,153.33x = 2,720,531,071.71
  5. Step 5: Solve for x
    x = 2,720,531,071.71/57,153.33
  6. Step 6: Final answer
    x = 47,600.57

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Why These Related Problems?

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