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Finding the Fourth Proportional to 85,032.87, 127,470.60 and 37,622.84

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Solution

The fourth proportional to 85,032.87, 127,470.60 and 37,622.84 is: 56,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,032.87 : 127,470.60 = 37,622.84 : x
  2. Step 2: Convert to fraction form
    85,032.87/127,470.60 = 37,622.84/x
  3. Step 3: Cross multiply
    85,032.87x = 127,470.60 × 37,622.84
  4. Step 4: Simplify right side
    85,032.87x = 4,795,805,351.15
  5. Step 5: Solve for x
    x = 4,795,805,351.15/85,032.87
  6. Step 6: Final answer
    x = 56,399.43

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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.