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Finding the Fourth Proportional to 4,998.99, 7,498.75 and 1,301.23

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Solution

The fourth proportional to 4,998.99, 7,498.75 and 1,301.23 is: 1,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.99 : 7,498.75 = 1,301.23 : x
  2. Step 2: Convert to fraction form
    4,998.99/7,498.75 = 1,301.23/x
  3. Step 3: Cross multiply
    4,998.99x = 7,498.75 × 1,301.23
  4. Step 4: Simplify right side
    4,998.99x = 9,757,560.97
  5. Step 5: Solve for x
    x = 9,757,560.97/4,998.99
  6. Step 6: Final answer
    x = 1,951.91

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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.