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Finding the Fourth Proportional to 44,465.52, 66,785.64 and 43,238.64

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Solution

The fourth proportional to 44,465.52, 66,785.64 and 43,238.64 is: 64,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,465.52 : 66,785.64 = 43,238.64 : x
  2. Step 2: Convert to fraction form
    44,465.52/66,785.64 = 43,238.64/x
  3. Step 3: Cross multiply
    44,465.52x = 66,785.64 × 43,238.64
  4. Step 4: Simplify right side
    44,465.52x = 2,887,720,245.13
  5. Step 5: Solve for x
    x = 2,887,720,245.13/44,465.52
  6. Step 6: Final answer
    x = 64,942.91

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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.