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Finding the Fourth Proportional to 61,969.70, 85,517.98 and 35,117.33

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Solution

The fourth proportional to 61,969.70, 85,517.98 and 35,117.33 is: 48,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,969.70 : 85,517.98 = 35,117.33 : x
  2. Step 2: Convert to fraction form
    61,969.70/85,517.98 = 35,117.33/x
  3. Step 3: Cross multiply
    61,969.70x = 85,517.98 × 35,117.33
  4. Step 4: Simplify right side
    61,969.70x = 3,003,162,609.21
  5. Step 5: Solve for x
    x = 3,003,162,609.21/61,969.70
  6. Step 6: Final answer
    x = 48,461.79

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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.