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Finding the Fourth Proportional to 37,660.68, 51,971.80 and 20,893.68

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Solution

The fourth proportional to 37,660.68, 51,971.80 and 20,893.68 is: 28,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,660.68 : 51,971.80 = 20,893.68 : x
  2. Step 2: Convert to fraction form
    37,660.68/51,971.80 = 20,893.68/x
  3. Step 3: Cross multiply
    37,660.68x = 51,971.80 × 20,893.68
  4. Step 4: Simplify right side
    37,660.68x = 1,085,882,158.22
  5. Step 5: Solve for x
    x = 1,085,882,158.22/37,660.68
  6. Step 6: Final answer
    x = 28,833.31

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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.