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Finding the Fourth Proportional to 4,758.98, 7,138.02 and 1,472.18

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Solution

The fourth proportional to 4,758.98, 7,138.02 and 1,472.18 is: 2,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.98 : 7,138.02 = 1,472.18 : x
  2. Step 2: Convert to fraction form
    4,758.98/7,138.02 = 1,472.18/x
  3. Step 3: Cross multiply
    4,758.98x = 7,138.02 × 1,472.18
  4. Step 4: Simplify right side
    4,758.98x = 10,508,450.28
  5. Step 5: Solve for x
    x = 10,508,450.28/4,758.98
  6. Step 6: Final answer
    x = 2,208.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.