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Finding the Fourth Proportional to 44,079.76, 66,119.62 and 11,247.76

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Solution

The fourth proportional to 44,079.76, 66,119.62 and 11,247.76 is: 16,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,079.76 : 66,119.62 = 11,247.76 : x
  2. Step 2: Convert to fraction form
    44,079.76/66,119.62 = 11,247.76/x
  3. Step 3: Cross multiply
    44,079.76x = 66,119.62 × 11,247.76
  4. Step 4: Simplify right side
    44,079.76x = 743,697,617.05
  5. Step 5: Solve for x
    x = 743,697,617.05/44,079.76
  6. Step 6: Final answer
    x = 16,871.63

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1.5x scale

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.