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Finding the Fourth Proportional to 44,578.79, 66,844.04 and 19,589.58

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Solution

The fourth proportional to 44,578.79, 66,844.04 and 19,589.58 is: 29,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,578.79 : 66,844.04 = 19,589.58 : x
  2. Step 2: Convert to fraction form
    44,578.79/66,844.04 = 19,589.58/x
  3. Step 3: Cross multiply
    44,578.79x = 66,844.04 × 19,589.58
  4. Step 4: Simplify right side
    44,578.79x = 1,309,446,571.16
  5. Step 5: Solve for x
    x = 1,309,446,571.16/44,578.79
  6. Step 6: Final answer
    x = 29,373.76

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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.