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Finding the Fourth Proportional to 85,523.70, 118,022.88 and 47,797.94

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Solution

The fourth proportional to 85,523.70, 118,022.88 and 47,797.94 is: 65,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,523.70 : 118,022.88 = 47,797.94 : x
  2. Step 2: Convert to fraction form
    85,523.70/118,022.88 = 47,797.94/x
  3. Step 3: Cross multiply
    85,523.70x = 118,022.88 × 47,797.94
  4. Step 4: Simplify right side
    85,523.70x = 5,641,250,536.87
  5. Step 5: Solve for x
    x = 5,641,250,536.87/85,523.70
  6. Step 6: Final answer
    x = 65,961.25

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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.