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Finding the Fourth Proportional to 55,074.94, 76,003.41 and 32,718.94

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Solution

The fourth proportional to 55,074.94, 76,003.41 and 32,718.94 is: 45,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,074.94 : 76,003.41 = 32,718.94 : x
  2. Step 2: Convert to fraction form
    55,074.94/76,003.41 = 32,718.94/x
  3. Step 3: Cross multiply
    55,074.94x = 76,003.41 × 32,718.94
  4. Step 4: Simplify right side
    55,074.94x = 2,486,750,944.27
  5. Step 5: Solve for x
    x = 2,486,750,944.27/55,074.94
  6. Step 6: Final answer
    x = 45,152.13

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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.