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Finding the Fourth Proportional to 6,600.98, 9,902.56 and 3,137.06

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Solution

The fourth proportional to 6,600.98, 9,902.56 and 3,137.06 is: 4,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.98 : 9,902.56 = 3,137.06 : x
  2. Step 2: Convert to fraction form
    6,600.98/9,902.56 = 3,137.06/x
  3. Step 3: Cross multiply
    6,600.98x = 9,902.56 × 3,137.06
  4. Step 4: Simplify right side
    6,600.98x = 31,064,924.87
  5. Step 5: Solve for x
    x = 31,064,924.87/6,600.98
  6. Step 6: Final answer
    x = 4,706.11

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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.