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Finding the Fourth Proportional to 55,398.94, 76,470.22 and 32,738.02

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Solution

The fourth proportional to 55,398.94, 76,470.22 and 32,738.02 is: 45,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398.94 : 76,470.22 = 32,738.02 : x
  2. Step 2: Convert to fraction form
    55,398.94/76,470.22 = 32,738.02/x
  3. Step 3: Cross multiply
    55,398.94x = 76,470.22 × 32,738.02
  4. Step 4: Simplify right side
    55,398.94x = 2,503,483,591.76
  5. Step 5: Solve for x
    x = 2,503,483,591.76/55,398.94
  6. Step 6: Final answer
    x = 45,190.10

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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.