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Finding the Fourth Proportional to 38,708.99, 57,965.07 and 35,461.29

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Solution

The fourth proportional to 38,708.99, 57,965.07 and 35,461.29 is: 53,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,708.99 : 57,965.07 = 35,461.29 : x
  2. Step 2: Convert to fraction form
    38,708.99/57,965.07 = 35,461.29/x
  3. Step 3: Cross multiply
    38,708.99x = 57,965.07 × 35,461.29
  4. Step 4: Simplify right side
    38,708.99x = 2,055,516,308.02
  5. Step 5: Solve for x
    x = 2,055,516,308.02/38,708.99
  6. Step 6: Final answer
    x = 53,101.78

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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.