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Finding the Fourth Proportional to 5,632.75, 7,773.07 and 3,114.96

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Solution

The fourth proportional to 5,632.75, 7,773.07 and 3,114.96 is: 4,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.75 : 7,773.07 = 3,114.96 : x
  2. Step 2: Convert to fraction form
    5,632.75/7,773.07 = 3,114.96/x
  3. Step 3: Cross multiply
    5,632.75x = 7,773.07 × 3,114.96
  4. Step 4: Simplify right side
    5,632.75x = 24,212,786.55
  5. Step 5: Solve for x
    x = 24,212,786.55/5,632.75
  6. Step 6: Final answer
    x = 4,298.58

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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.