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Finding the Fourth Proportional to 3,338.71, 4,607.12 and 1,922.02

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Solution

The fourth proportional to 3,338.71, 4,607.12 and 1,922.02 is: 2,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.71 : 4,607.12 = 1,922.02 : x
  2. Step 2: Convert to fraction form
    3,338.71/4,607.12 = 1,922.02/x
  3. Step 3: Cross multiply
    3,338.71x = 4,607.12 × 1,922.02
  4. Step 4: Simplify right side
    3,338.71x = 8,854,944.14
  5. Step 5: Solve for x
    x = 8,854,944.14/3,338.71
  6. Step 6: Final answer
    x = 2,652.21

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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.