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Finding the Fourth Proportional to 37,871.80, 52,258.80 and 21,952.96

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Solution

The fourth proportional to 37,871.80, 52,258.80 and 21,952.96 is: 30,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,871.80 : 52,258.80 = 21,952.96 : x
  2. Step 2: Convert to fraction form
    37,871.80/52,258.80 = 21,952.96/x
  3. Step 3: Cross multiply
    37,871.80x = 52,258.80 × 21,952.96
  4. Step 4: Simplify right side
    37,871.80x = 1,147,235,346.05
  5. Step 5: Solve for x
    x = 1,147,235,346.05/37,871.80
  6. Step 6: Final answer
    x = 30,292.60

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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.