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Finding the Fourth Proportional to 1,808.86, 2,494.38 and 1,476.22

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Solution

The fourth proportional to 1,808.86, 2,494.38 and 1,476.22 is: 2,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.86 : 2,494.38 = 1,476.22 : x
  2. Step 2: Convert to fraction form
    1,808.86/2,494.38 = 1,476.22/x
  3. Step 3: Cross multiply
    1,808.86x = 2,494.38 × 1,476.22
  4. Step 4: Simplify right side
    1,808.86x = 3,682,253.64
  5. Step 5: Solve for x
    x = 3,682,253.64/1,808.86
  6. Step 6: Final answer
    x = 2,035.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.