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Finding the Fourth Proportional to 2,915.58, 4,372.92 and 941.14

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Solution

The fourth proportional to 2,915.58, 4,372.92 and 941.14 is: 1,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.58 : 4,372.92 = 941.14 : x
  2. Step 2: Convert to fraction form
    2,915.58/4,372.92 = 941.14/x
  3. Step 3: Cross multiply
    2,915.58x = 4,372.92 × 941.14
  4. Step 4: Simplify right side
    2,915.58x = 4,115,535.39
  5. Step 5: Solve for x
    x = 4,115,535.39/2,915.58
  6. Step 6: Final answer
    x = 1,411.56

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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.