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Finding the Fourth Proportional to 4,170.30, 6,243.30 and 4,048.80

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Solution

The fourth proportional to 4,170.30, 6,243.30 and 4,048.80 is: 6,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.30 : 6,243.30 = 4,048.80 : x
  2. Step 2: Convert to fraction form
    4,170.30/6,243.30 = 4,048.80/x
  3. Step 3: Cross multiply
    4,170.30x = 6,243.30 × 4,048.80
  4. Step 4: Simplify right side
    4,170.30x = 25,277,873.04
  5. Step 5: Solve for x
    x = 25,277,873.04/4,170.30
  6. Step 6: Final answer
    x = 6,061.40

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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.