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Finding the Fourth Proportional to 57,901.79, 79,924.19 and 34,035.55

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Solution

The fourth proportional to 57,901.79, 79,924.19 and 34,035.55 is: 46,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,901.79 : 79,924.19 = 34,035.55 : x
  2. Step 2: Convert to fraction form
    57,901.79/79,924.19 = 34,035.55/x
  3. Step 3: Cross multiply
    57,901.79x = 79,924.19 × 34,035.55
  4. Step 4: Simplify right side
    57,901.79x = 2,720,263,764.95
  5. Step 5: Solve for x
    x = 2,720,263,764.95/57,901.79
  6. Step 6: Final answer
    x = 46,980.65

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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.