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Finding the Fourth Proportional to 10,152.80, 15,228.80 and 3,227.04

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Solution

The fourth proportional to 10,152.80, 15,228.80 and 3,227.04 is: 4,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.80 : 15,228.80 = 3,227.04 : x
  2. Step 2: Convert to fraction form
    10,152.80/15,228.80 = 3,227.04/x
  3. Step 3: Cross multiply
    10,152.80x = 15,228.80 × 3,227.04
  4. Step 4: Simplify right side
    10,152.80x = 49,143,946.75
  5. Step 5: Solve for x
    x = 49,143,946.75/10,152.80
  6. Step 6: Final answer
    x = 4,840.43

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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.