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Finding the Fourth Proportional to 44,501.20, 66,622.20 and 43,205.20

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Solution

The fourth proportional to 44,501.20, 66,622.20 and 43,205.20 is: 64,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,501.20 : 66,622.20 = 43,205.20 : x
  2. Step 2: Convert to fraction form
    44,501.20/66,622.20 = 43,205.20/x
  3. Step 3: Cross multiply
    44,501.20x = 66,622.20 × 43,205.20
  4. Step 4: Simplify right side
    44,501.20x = 2,878,425,475.44
  5. Step 5: Solve for x
    x = 2,878,425,475.44/44,501.20
  6. Step 6: Final answer
    x = 64,681.97

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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.