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Finding the Fourth Proportional to 37,604.64, 51,893.28 and 20,608.68

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Solution

The fourth proportional to 37,604.64, 51,893.28 and 20,608.68 is: 28,439.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,604.64 : 51,893.28 = 20,608.68 : x
  2. Step 2: Convert to fraction form
    37,604.64/51,893.28 = 20,608.68/x
  3. Step 3: Cross multiply
    37,604.64x = 51,893.28 × 20,608.68
  4. Step 4: Simplify right side
    37,604.64x = 1,069,452,001.67
  5. Step 5: Solve for x
    x = 1,069,452,001.67/37,604.64
  6. Step 6: Final answer
    x = 28,439.36

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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.