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Finding the Fourth Proportional to 37,812.80, 56,632.80 and 22,260.80

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Solution

The fourth proportional to 37,812.80, 56,632.80 and 22,260.80 is: 33,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,812.80 : 56,632.80 = 22,260.80 : x
  2. Step 2: Convert to fraction form
    37,812.80/56,632.80 = 22,260.80/x
  3. Step 3: Cross multiply
    37,812.80x = 56,632.80 × 22,260.80
  4. Step 4: Simplify right side
    37,812.80x = 1,260,691,434.24
  5. Step 5: Solve for x
    x = 1,260,691,434.24/37,812.80
  6. Step 6: Final answer
    x = 33,340.34

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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.