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Finding the Fourth Proportional to 61,793.45, 85,277.80 and 34,937.09

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Solution

The fourth proportional to 61,793.45, 85,277.80 and 34,937.09 is: 48,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,793.45 : 85,277.80 = 34,937.09 : x
  2. Step 2: Convert to fraction form
    61,793.45/85,277.80 = 34,937.09/x
  3. Step 3: Cross multiply
    61,793.45x = 85,277.80 × 34,937.09
  4. Step 4: Simplify right side
    61,793.45x = 2,979,358,173.60
  5. Step 5: Solve for x
    x = 2,979,358,173.60/61,793.45
  6. Step 6: Final answer
    x = 48,214.79

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1.5x scale

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.