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Finding the Fourth Proportional to 61,793.87, 85,274.64 and 34,935.48

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Solution

The fourth proportional to 61,793.87, 85,274.64 and 34,935.48 is: 48,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,793.87 : 85,274.64 = 34,935.48 : x
  2. Step 2: Convert to fraction form
    61,793.87/85,274.64 = 34,935.48/x
  3. Step 3: Cross multiply
    61,793.87x = 85,274.64 × 34,935.48
  4. Step 4: Simplify right side
    61,793.87x = 2,979,110,480.23
  5. Step 5: Solve for x
    x = 2,979,110,480.23/61,793.87
  6. Step 6: Final answer
    x = 48,210.46

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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.