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Finding the Fourth Proportional to 1,604.42, 2,214.02 and 941.22

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Solution

The fourth proportional to 1,604.42, 2,214.02 and 941.22 is: 1,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.42 : 2,214.02 = 941.22 : x
  2. Step 2: Convert to fraction form
    1,604.42/2,214.02 = 941.22/x
  3. Step 3: Cross multiply
    1,604.42x = 2,214.02 × 941.22
  4. Step 4: Simplify right side
    1,604.42x = 2,083,875.20
  5. Step 5: Solve for x
    x = 2,083,875.20/1,604.42
  6. Step 6: Final answer
    x = 1,298.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.