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Finding the Fourth Proportional to 7,616.58, 11,422.71 and 2,998.50

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Solution

The fourth proportional to 7,616.58, 11,422.71 and 2,998.50 is: 4,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.58 : 11,422.71 = 2,998.50 : x
  2. Step 2: Convert to fraction form
    7,616.58/11,422.71 = 2,998.50/x
  3. Step 3: Cross multiply
    7,616.58x = 11,422.71 × 2,998.50
  4. Step 4: Simplify right side
    7,616.58x = 34,250,995.94
  5. Step 5: Solve for x
    x = 34,250,995.94/7,616.58
  6. Step 6: Final answer
    x = 4,496.90

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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.