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Finding the Fourth Proportional to 37,651.68, 51,959.37 and 20,884.68

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Solution

The fourth proportional to 37,651.68, 51,959.37 and 20,884.68 is: 28,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,651.68 : 51,959.37 = 20,884.68 : x
  2. Step 2: Convert to fraction form
    37,651.68/51,959.37 = 20,884.68/x
  3. Step 3: Cross multiply
    37,651.68x = 51,959.37 × 20,884.68
  4. Step 4: Simplify right side
    37,651.68x = 1,085,154,815.45
  5. Step 5: Solve for x
    x = 1,085,154,815.45/37,651.68
  6. Step 6: Final answer
    x = 28,820.89

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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.