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Finding the Fourth Proportional to 3,338.32, 4,602 and 2,340.60

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Solution

The fourth proportional to 3,338.32, 4,602 and 2,340.60 is: 3,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.32 : 4,602 = 2,340.60 : x
  2. Step 2: Convert to fraction form
    3,338.32/4,602 = 2,340.60/x
  3. Step 3: Cross multiply
    3,338.32x = 4,602 × 2,340.60
  4. Step 4: Simplify right side
    3,338.32x = 10,771,441.20
  5. Step 5: Solve for x
    x = 10,771,441.20/3,338.32
  6. Step 6: Final answer
    x = 3,226.61

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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.