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Finding the Fourth Proportional to 1,502.01, 2,072.12 and 941.63

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Solution

The fourth proportional to 1,502.01, 2,072.12 and 941.63 is: 1,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.01 : 2,072.12 = 941.63 : x
  2. Step 2: Convert to fraction form
    1,502.01/2,072.12 = 941.63/x
  3. Step 3: Cross multiply
    1,502.01x = 2,072.12 × 941.63
  4. Step 4: Simplify right side
    1,502.01x = 1,951,155.29
  5. Step 5: Solve for x
    x = 1,951,155.29/1,502.01
  6. Step 6: Final answer
    x = 1,299.03

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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.