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Finding the Fourth Proportional to 57,407.18, 79,223.81 and 34,750.26

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Solution

The fourth proportional to 57,407.18, 79,223.81 and 34,750.26 is: 47,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,407.18 : 79,223.81 = 34,750.26 : x
  2. Step 2: Convert to fraction form
    57,407.18/79,223.81 = 34,750.26/x
  3. Step 3: Cross multiply
    57,407.18x = 79,223.81 × 34,750.26
  4. Step 4: Simplify right side
    57,407.18x = 2,753,047,821.94
  5. Step 5: Solve for x
    x = 2,753,047,821.94/57,407.18
  6. Step 6: Final answer
    x = 47,956.51

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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.