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Finding the Fourth Proportional to 53,968.80, 80,928.90 and 24,371.40

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Solution

The fourth proportional to 53,968.80, 80,928.90 and 24,371.40 is: 36,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,968.80 : 80,928.90 = 24,371.40 : x
  2. Step 2: Convert to fraction form
    53,968.80/80,928.90 = 24,371.40/x
  3. Step 3: Cross multiply
    53,968.80x = 80,928.90 × 24,371.40
  4. Step 4: Simplify right side
    53,968.80x = 1,972,350,593.46
  5. Step 5: Solve for x
    x = 1,972,350,593.46/53,968.80
  6. Step 6: Final answer
    x = 36,546.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.