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Finding the Fourth Proportional to 3,394.15, 4,684.11 and 1,901.99

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Solution

The fourth proportional to 3,394.15, 4,684.11 and 1,901.99 is: 2,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.15 : 4,684.11 = 1,901.99 : x
  2. Step 2: Convert to fraction form
    3,394.15/4,684.11 = 1,901.99/x
  3. Step 3: Cross multiply
    3,394.15x = 4,684.11 × 1,901.99
  4. Step 4: Simplify right side
    3,394.15x = 8,909,130.38
  5. Step 5: Solve for x
    x = 8,909,130.38/3,394.15
  6. Step 6: Final answer
    x = 2,624.85

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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.