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Finding the Fourth Proportional to 37,009.80, 55,441.80 and 34,385.40

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Solution

The fourth proportional to 37,009.80, 55,441.80 and 34,385.40 is: 51,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,009.80 : 55,441.80 = 34,385.40 : x
  2. Step 2: Convert to fraction form
    37,009.80/55,441.80 = 34,385.40/x
  3. Step 3: Cross multiply
    37,009.80x = 55,441.80 × 34,385.40
  4. Step 4: Simplify right side
    37,009.80x = 1,906,388,469.72
  5. Step 5: Solve for x
    x = 1,906,388,469.72/37,009.80
  6. Step 6: Final answer
    x = 51,510.37

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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.