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Finding the Fourth Proportional to 5,771.11, 7,964.99 and 4,276.93

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Solution

The fourth proportional to 5,771.11, 7,964.99 and 4,276.93 is: 5,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.11 : 7,964.99 = 4,276.93 : x
  2. Step 2: Convert to fraction form
    5,771.11/7,964.99 = 4,276.93/x
  3. Step 3: Cross multiply
    5,771.11x = 7,964.99 × 4,276.93
  4. Step 4: Simplify right side
    5,771.11x = 34,065,683.30
  5. Step 5: Solve for x
    x = 34,065,683.30/5,771.11
  6. Step 6: Final answer
    x = 5,902.80

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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.