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Finding the Fourth Proportional to 5,006.90, 6,907.22 and 3,239.07

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Solution

The fourth proportional to 5,006.90, 6,907.22 and 3,239.07 is: 4,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.90 : 6,907.22 = 3,239.07 : x
  2. Step 2: Convert to fraction form
    5,006.90/6,907.22 = 3,239.07/x
  3. Step 3: Cross multiply
    5,006.90x = 6,907.22 × 3,239.07
  4. Step 4: Simplify right side
    5,006.90x = 22,372,952.89
  5. Step 5: Solve for x
    x = 22,372,952.89/5,006.90
  6. Step 6: Final answer
    x = 4,468.43

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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.