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Finding the Fourth Proportional to 7,001.99, 10,504.80 and 2,619.79

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Solution

The fourth proportional to 7,001.99, 10,504.80 and 2,619.79 is: 3,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.99 : 10,504.80 = 2,619.79 : x
  2. Step 2: Convert to fraction form
    7,001.99/10,504.80 = 2,619.79/x
  3. Step 3: Cross multiply
    7,001.99x = 10,504.80 × 2,619.79
  4. Step 4: Simplify right side
    7,001.99x = 27,520,343.73
  5. Step 5: Solve for x
    x = 27,520,343.73/7,001.99
  6. Step 6: Final answer
    x = 3,930.36

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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.