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Finding the Fourth Proportional to 5,015.88, 7,472.97 and 4,768.02

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Solution

The fourth proportional to 5,015.88, 7,472.97 and 4,768.02 is: 7,103.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.88 : 7,472.97 = 4,768.02 : x
  2. Step 2: Convert to fraction form
    5,015.88/7,472.97 = 4,768.02/x
  3. Step 3: Cross multiply
    5,015.88x = 7,472.97 × 4,768.02
  4. Step 4: Simplify right side
    5,015.88x = 35,631,270.42
  5. Step 5: Solve for x
    x = 35,631,270.42/5,015.88
  6. Step 6: Final answer
    x = 7,103.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.