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Finding the Fourth Proportional to 5,008.99, 7,513.89 and 1,722.09

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Solution

The fourth proportional to 5,008.99, 7,513.89 and 1,722.09 is: 2,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.99 : 7,513.89 = 1,722.09 : x
  2. Step 2: Convert to fraction form
    5,008.99/7,513.89 = 1,722.09/x
  3. Step 3: Cross multiply
    5,008.99x = 7,513.89 × 1,722.09
  4. Step 4: Simplify right side
    5,008.99x = 12,939,557.26
  5. Step 5: Solve for x
    x = 12,939,557.26/5,008.99
  6. Step 6: Final answer
    x = 2,583.27

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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.