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Finding the Fourth Proportional to 6,777.35, 10,172.11 and 5,673.68

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Solution

The fourth proportional to 6,777.35, 10,172.11 and 5,673.68 is: 8,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.35 : 10,172.11 = 5,673.68 : x
  2. Step 2: Convert to fraction form
    6,777.35/10,172.11 = 5,673.68/x
  3. Step 3: Cross multiply
    6,777.35x = 10,172.11 × 5,673.68
  4. Step 4: Simplify right side
    6,777.35x = 57,713,264.85
  5. Step 5: Solve for x
    x = 57,713,264.85/6,777.35
  6. Step 6: Final answer
    x = 8,515.60

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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.