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Finding the Fourth Proportional to 61,793.01, 85,278.08 and 34,938.07

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Solution

The fourth proportional to 61,793.01, 85,278.08 and 34,938.07 is: 48,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,793.01 : 85,278.08 = 34,938.07 : x
  2. Step 2: Convert to fraction form
    61,793.01/85,278.08 = 34,938.07/x
  3. Step 3: Cross multiply
    61,793.01x = 85,278.08 × 34,938.07
  4. Step 4: Simplify right side
    61,793.01x = 2,979,451,402.66
  5. Step 5: Solve for x
    x = 2,979,451,402.66/61,793.01
  6. Step 6: Final answer
    x = 48,216.64

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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.