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Finding the Fourth Proportional to 5,632.88, 7,773.44 and 3,276.45

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Solution

The fourth proportional to 5,632.88, 7,773.44 and 3,276.45 is: 4,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.88 : 7,773.44 = 3,276.45 : x
  2. Step 2: Convert to fraction form
    5,632.88/7,773.44 = 3,276.45/x
  3. Step 3: Cross multiply
    5,632.88x = 7,773.44 × 3,276.45
  4. Step 4: Simplify right side
    5,632.88x = 25,469,271.11
  5. Step 5: Solve for x
    x = 25,469,271.11/5,632.88
  6. Step 6: Final answer
    x = 4,521.54

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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.