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Finding the Fourth Proportional to 44,490.94, 66,689.91 and 14,884.42

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Solution

The fourth proportional to 44,490.94, 66,689.91 and 14,884.42 is: 22,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,490.94 : 66,689.91 = 14,884.42 : x
  2. Step 2: Convert to fraction form
    44,490.94/66,689.91 = 14,884.42/x
  3. Step 3: Cross multiply
    44,490.94x = 66,689.91 × 14,884.42
  4. Step 4: Simplify right side
    44,490.94x = 992,640,296.75
  5. Step 5: Solve for x
    x = 992,640,296.75/44,490.94
  6. Step 6: Final answer
    x = 22,311.07

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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.