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Finding the Fourth Proportional to 3,769.04, 5,653.52 and 2,219.81

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Solution

The fourth proportional to 3,769.04, 5,653.52 and 2,219.81 is: 3,329.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.04 : 5,653.52 = 2,219.81 : x
  2. Step 2: Convert to fraction form
    3,769.04/5,653.52 = 2,219.81/x
  3. Step 3: Cross multiply
    3,769.04x = 5,653.52 × 2,219.81
  4. Step 4: Simplify right side
    3,769.04x = 12,549,700.86
  5. Step 5: Solve for x
    x = 12,549,700.86/3,769.04
  6. Step 6: Final answer
    x = 3,329.69

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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.