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Finding the Fourth Proportional to 2,934.43, 4,401.74 and 1,472.78

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Solution

The fourth proportional to 2,934.43, 4,401.74 and 1,472.78 is: 2,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.43 : 4,401.74 = 1,472.78 : x
  2. Step 2: Convert to fraction form
    2,934.43/4,401.74 = 1,472.78/x
  3. Step 3: Cross multiply
    2,934.43x = 4,401.74 × 1,472.78
  4. Step 4: Simplify right side
    2,934.43x = 6,482,809.32
  5. Step 5: Solve for x
    x = 6,482,809.32/2,934.43
  6. Step 6: Final answer
    x = 2,209.22

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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.