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Finding the Fourth Proportional to 5,907.67, 8,865.38 and 2,209.93

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Solution

The fourth proportional to 5,907.67, 8,865.38 and 2,209.93 is: 3,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.67 : 8,865.38 = 2,209.93 : x
  2. Step 2: Convert to fraction form
    5,907.67/8,865.38 = 2,209.93/x
  3. Step 3: Cross multiply
    5,907.67x = 8,865.38 × 2,209.93
  4. Step 4: Simplify right side
    5,907.67x = 19,591,869.22
  5. Step 5: Solve for x
    x = 19,591,869.22/5,907.67
  6. Step 6: Final answer
    x = 3,316.34

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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.