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Finding the Fourth Proportional to 37,254.79, 51,410.59 and 20,487.79

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Solution

The fourth proportional to 37,254.79, 51,410.59 and 20,487.79 is: 28,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,254.79 : 51,410.59 = 20,487.79 : x
  2. Step 2: Convert to fraction form
    37,254.79/51,410.59 = 20,487.79/x
  3. Step 3: Cross multiply
    37,254.79x = 51,410.59 × 20,487.79
  4. Step 4: Simplify right side
    37,254.79x = 1,053,289,269.26
  5. Step 5: Solve for x
    x = 1,053,289,269.26/37,254.79
  6. Step 6: Final answer
    x = 28,272.59

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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.