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Finding the Fourth Proportional to 37,329, 51,515.10 and 20,563.08

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Solution

The fourth proportional to 37,329, 51,515.10 and 20,563.08 is: 28,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,329 : 51,515.10 = 20,563.08 : x
  2. Step 2: Convert to fraction form
    37,329/51,515.10 = 20,563.08/x
  3. Step 3: Cross multiply
    37,329x = 51,515.10 × 20,563.08
  4. Step 4: Simplify right side
    37,329x = 1,059,309,122.51
  5. Step 5: Solve for x
    x = 1,059,309,122.51/37,329
  6. Step 6: Final answer
    x = 28,377.65

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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.