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Finding the Fourth Proportional to 6,771.12, 9,333 and 5,199.72

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Solution

The fourth proportional to 6,771.12, 9,333 and 5,199.72 is: 7,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.12 : 9,333 = 5,199.72 : x
  2. Step 2: Convert to fraction form
    6,771.12/9,333 = 5,199.72/x
  3. Step 3: Cross multiply
    6,771.12x = 9,333 × 5,199.72
  4. Step 4: Simplify right side
    6,771.12x = 48,528,986.76
  5. Step 5: Solve for x
    x = 48,528,986.76/6,771.12
  6. Step 6: Final answer
    x = 7,167.05

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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.