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Finding the Fourth Proportional to 44,079, 66,118.50 and 11,247

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Solution

The fourth proportional to 44,079, 66,118.50 and 11,247 is: 16,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,079 : 66,118.50 = 11,247 : x
  2. Step 2: Convert to fraction form
    44,079/66,118.50 = 11,247/x
  3. Step 3: Cross multiply
    44,079x = 66,118.50 × 11,247
  4. Step 4: Simplify right side
    44,079x = 743,634,769.50
  5. Step 5: Solve for x
    x = 743,634,769.50/44,079
  6. Step 6: Final answer
    x = 16,870.50

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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.