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Finding the Fourth Proportional to 7,205.69, 10,799.11 and 3,692.72

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Solution

The fourth proportional to 7,205.69, 10,799.11 and 3,692.72 is: 5,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.69 : 10,799.11 = 3,692.72 : x
  2. Step 2: Convert to fraction form
    7,205.69/10,799.11 = 3,692.72/x
  3. Step 3: Cross multiply
    7,205.69x = 10,799.11 × 3,692.72
  4. Step 4: Simplify right side
    7,205.69x = 39,878,089.48
  5. Step 5: Solve for x
    x = 39,878,089.48/7,205.69
  6. Step 6: Final answer
    x = 5,534.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.