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Finding the Fourth Proportional to 33,510.80, 50,251.80 and 16,864.40

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Solution

The fourth proportional to 33,510.80, 50,251.80 and 16,864.40 is: 25,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,510.80 : 50,251.80 = 16,864.40 : x
  2. Step 2: Convert to fraction form
    33,510.80/50,251.80 = 16,864.40/x
  3. Step 3: Cross multiply
    33,510.80x = 50,251.80 × 16,864.40
  4. Step 4: Simplify right side
    33,510.80x = 847,466,455.92
  5. Step 5: Solve for x
    x = 847,466,455.92/33,510.80
  6. Step 6: Final answer
    x = 25,289.35

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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.