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Finding the Fourth Proportional to 2,916.62, 4,373.81 and 941.75

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Solution

The fourth proportional to 2,916.62, 4,373.81 and 941.75 is: 1,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.62 : 4,373.81 = 941.75 : x
  2. Step 2: Convert to fraction form
    2,916.62/4,373.81 = 941.75/x
  3. Step 3: Cross multiply
    2,916.62x = 4,373.81 × 941.75
  4. Step 4: Simplify right side
    2,916.62x = 4,119,035.57
  5. Step 5: Solve for x
    x = 4,119,035.57/2,916.62
  6. Step 6: Final answer
    x = 1,412.26

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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.