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Finding the Fourth Proportional to 1,722.02, 2,581.98 and 940.94

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Solution

The fourth proportional to 1,722.02, 2,581.98 and 940.94 is: 1,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.02 : 2,581.98 = 940.94 : x
  2. Step 2: Convert to fraction form
    1,722.02/2,581.98 = 940.94/x
  3. Step 3: Cross multiply
    1,722.02x = 2,581.98 × 940.94
  4. Step 4: Simplify right side
    1,722.02x = 2,429,488.26
  5. Step 5: Solve for x
    x = 2,429,488.26/1,722.02
  6. Step 6: Final answer
    x = 1,410.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.