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Finding the Fourth Proportional to 10,033.11, 15,046.11 and 2,915.87

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Solution

The fourth proportional to 10,033.11, 15,046.11 and 2,915.87 is: 4,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,033.11 : 15,046.11 = 2,915.87 : x
  2. Step 2: Convert to fraction form
    10,033.11/15,046.11 = 2,915.87/x
  3. Step 3: Cross multiply
    10,033.11x = 15,046.11 × 2,915.87
  4. Step 4: Simplify right side
    10,033.11x = 43,872,500.77
  5. Step 5: Solve for x
    x = 43,872,500.77/10,033.11
  6. Step 6: Final answer
    x = 4,372.77

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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.