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Finding the Fourth Proportional to 48,809.76, 67,412.76 and 32,866.52

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Solution

The fourth proportional to 48,809.76, 67,412.76 and 32,866.52 is: 45,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,809.76 : 67,412.76 = 32,866.52 : x
  2. Step 2: Convert to fraction form
    48,809.76/67,412.76 = 32,866.52/x
  3. Step 3: Cross multiply
    48,809.76x = 67,412.76 × 32,866.52
  4. Step 4: Simplify right side
    48,809.76x = 2,215,622,824.80
  5. Step 5: Solve for x
    x = 2,215,622,824.80/48,809.76
  6. Step 6: Final answer
    x = 45,393.03

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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.