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Finding the Fourth Proportional to 61,814.75, 85,304.89 and 33,520.44

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Solution

The fourth proportional to 61,814.75, 85,304.89 and 33,520.44 is: 46,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,814.75 : 85,304.89 = 33,520.44 : x
  2. Step 2: Convert to fraction form
    61,814.75/85,304.89 = 33,520.44/x
  3. Step 3: Cross multiply
    61,814.75x = 85,304.89 × 33,520.44
  4. Step 4: Simplify right side
    61,814.75x = 2,859,457,446.95
  5. Step 5: Solve for x
    x = 2,859,457,446.95/61,814.75
  6. Step 6: Final answer
    x = 46,258.50

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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.