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Finding the Fourth Proportional to 7,023.69, 9,692.51 and 3,836.93

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Solution

The fourth proportional to 7,023.69, 9,692.51 and 3,836.93 is: 5,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.69 : 9,692.51 = 3,836.93 : x
  2. Step 2: Convert to fraction form
    7,023.69/9,692.51 = 3,836.93/x
  3. Step 3: Cross multiply
    7,023.69x = 9,692.51 × 3,836.93
  4. Step 4: Simplify right side
    7,023.69x = 37,189,414.75
  5. Step 5: Solve for x
    x = 37,189,414.75/7,023.69
  6. Step 6: Final answer
    x = 5,294.85

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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.