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Finding the Fourth Proportional to 6,933.90, 10,404.90 and 2,551.80

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Solution

The fourth proportional to 6,933.90, 10,404.90 and 2,551.80 is: 3,829.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,933.90 : 10,404.90 = 2,551.80 : x
  2. Step 2: Convert to fraction form
    6,933.90/10,404.90 = 2,551.80/x
  3. Step 3: Cross multiply
    6,933.90x = 10,404.90 × 2,551.80
  4. Step 4: Simplify right side
    6,933.90x = 26,551,223.82
  5. Step 5: Solve for x
    x = 26,551,223.82/6,933.90
  6. Step 6: Final answer
    x = 3,829.19

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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.