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Finding the Fourth Proportional to 48,933, 67,533.30 and 29,061

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Solution

The fourth proportional to 48,933, 67,533.30 and 29,061 is: 40,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,933 : 67,533.30 = 29,061 : x
  2. Step 2: Convert to fraction form
    48,933/67,533.30 = 29,061/x
  3. Step 3: Cross multiply
    48,933x = 67,533.30 × 29,061
  4. Step 4: Simplify right side
    48,933x = 1,962,585,231.30
  5. Step 5: Solve for x
    x = 1,962,585,231.30/48,933
  6. Step 6: Final answer
    x = 40,107.60

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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.