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Finding the Fourth Proportional to 44,229, 66,343.50 and 11,397

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Solution

The fourth proportional to 44,229, 66,343.50 and 11,397 is: 17,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,229 : 66,343.50 = 11,397 : x
  2. Step 2: Convert to fraction form
    44,229/66,343.50 = 11,397/x
  3. Step 3: Cross multiply
    44,229x = 66,343.50 × 11,397
  4. Step 4: Simplify right side
    44,229x = 756,116,869.50
  5. Step 5: Solve for x
    x = 756,116,869.50/44,229
  6. Step 6: Final answer
    x = 17,095.50

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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.