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Finding the Fourth Proportional to 37,160.52, 51,281.01 and 20,393.52

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Solution

The fourth proportional to 37,160.52, 51,281.01 and 20,393.52 is: 28,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,160.52 : 51,281.01 = 20,393.52 : x
  2. Step 2: Convert to fraction form
    37,160.52/51,281.01 = 20,393.52/x
  3. Step 3: Cross multiply
    37,160.52x = 51,281.01 × 20,393.52
  4. Step 4: Simplify right side
    37,160.52x = 1,045,800,303.06
  5. Step 5: Solve for x
    x = 1,045,800,303.06/37,160.52
  6. Step 6: Final answer
    x = 28,142.78

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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.