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Finding the Fourth Proportional to 11,915.84, 17,873.88 and 3,595.93

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Solution

The fourth proportional to 11,915.84, 17,873.88 and 3,595.93 is: 5,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.84 : 17,873.88 = 3,595.93 : x
  2. Step 2: Convert to fraction form
    11,915.84/17,873.88 = 3,595.93/x
  3. Step 3: Cross multiply
    11,915.84x = 17,873.88 × 3,595.93
  4. Step 4: Simplify right side
    11,915.84x = 64,273,183.37
  5. Step 5: Solve for x
    x = 64,273,183.37/11,915.84
  6. Step 6: Final answer
    x = 5,393.93

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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.