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Finding the Fourth Proportional to 57,851.80, 79,811.92 and 37,701.34

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Solution

The fourth proportional to 57,851.80, 79,811.92 and 37,701.34 is: 52,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,851.80 : 79,811.92 = 37,701.34 : x
  2. Step 2: Convert to fraction form
    57,851.80/79,811.92 = 37,701.34/x
  3. Step 3: Cross multiply
    57,851.80x = 79,811.92 × 37,701.34
  4. Step 4: Simplify right side
    57,851.80x = 3,009,016,331.97
  5. Step 5: Solve for x
    x = 3,009,016,331.97/57,851.80
  6. Step 6: Final answer
    x = 52,012.49

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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.