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Finding the Fourth Proportional to 37,299.90, 51,473.87 and 20,532.90

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Solution

The fourth proportional to 37,299.90, 51,473.87 and 20,532.90 is: 28,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,299.90 : 51,473.87 = 20,532.90 : x
  2. Step 2: Convert to fraction form
    37,299.90/51,473.87 = 20,532.90/x
  3. Step 3: Cross multiply
    37,299.90x = 51,473.87 × 20,532.90
  4. Step 4: Simplify right side
    37,299.90x = 1,056,907,825.32
  5. Step 5: Solve for x
    x = 1,056,907,825.32/37,299.90
  6. Step 6: Final answer
    x = 28,335.41

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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.