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Finding the Fourth Proportional to 2,199.44, 3,299.16 and 1,854.99

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Solution

The fourth proportional to 2,199.44, 3,299.16 and 1,854.99 is: 2,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.44 : 3,299.16 = 1,854.99 : x
  2. Step 2: Convert to fraction form
    2,199.44/3,299.16 = 1,854.99/x
  3. Step 3: Cross multiply
    2,199.44x = 3,299.16 × 1,854.99
  4. Step 4: Simplify right side
    2,199.44x = 6,119,908.81
  5. Step 5: Solve for x
    x = 6,119,908.81/2,199.44
  6. Step 6: Final answer
    x = 2,782.49

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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.