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Finding the Fourth Proportional to 60,736.70, 91,105.02 and 31,135.65

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Solution

The fourth proportional to 60,736.70, 91,105.02 and 31,135.65 is: 46,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,736.70 : 91,105.02 = 31,135.65 : x
  2. Step 2: Convert to fraction form
    60,736.70/91,105.02 = 31,135.65/x
  3. Step 3: Cross multiply
    60,736.70x = 91,105.02 × 31,135.65
  4. Step 4: Simplify right side
    60,736.70x = 2,836,614,015.96
  5. Step 5: Solve for x
    x = 2,836,614,015.96/60,736.70
  6. Step 6: Final answer
    x = 46,703.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.