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Finding the Fourth Proportional to 43,490.20, 60,022.20 and 24,628

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Solution

The fourth proportional to 43,490.20, 60,022.20 and 24,628 is: 33,989.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490.20 : 60,022.20 = 24,628 : x
  2. Step 2: Convert to fraction form
    43,490.20/60,022.20 = 24,628/x
  3. Step 3: Cross multiply
    43,490.20x = 60,022.20 × 24,628
  4. Step 4: Simplify right side
    43,490.20x = 1,478,226,741.60
  5. Step 5: Solve for x
    x = 1,478,226,741.60/43,490.20
  6. Step 6: Final answer
    x = 33,989.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.