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Finding the Fourth Proportional to 37,254.74, 51,411.53 and 20,487.74

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Solution

The fourth proportional to 37,254.74, 51,411.53 and 20,487.74 is: 28,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,254.74 : 51,411.53 = 20,487.74 : x
  2. Step 2: Convert to fraction form
    37,254.74/51,411.53 = 20,487.74/x
  3. Step 3: Cross multiply
    37,254.74x = 51,411.53 × 20,487.74
  4. Step 4: Simplify right side
    37,254.74x = 1,053,305,738.56
  5. Step 5: Solve for x
    x = 1,053,305,738.56/37,254.74
  6. Step 6: Final answer
    x = 28,273.07

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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.