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Finding the Fourth Proportional to 67,622.72, 101,449.44 and 36,457.28

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Solution

The fourth proportional to 67,622.72, 101,449.44 and 36,457.28 is: 54,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,622.72 : 101,449.44 = 36,457.28 : x
  2. Step 2: Convert to fraction form
    67,622.72/101,449.44 = 36,457.28/x
  3. Step 3: Cross multiply
    67,622.72x = 101,449.44 × 36,457.28
  4. Step 4: Simplify right side
    67,622.72x = 3,698,570,639.92
  5. Step 5: Solve for x
    x = 3,698,570,639.92/67,622.72
  6. Step 6: Final answer
    x = 54,694.20

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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.