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Finding the Fourth Proportional to 54,806.59, 75,639.47 and 45,591.86

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Solution

The fourth proportional to 54,806.59, 75,639.47 and 45,591.86 is: 62,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,806.59 : 75,639.47 = 45,591.86 : x
  2. Step 2: Convert to fraction form
    54,806.59/75,639.47 = 45,591.86/x
  3. Step 3: Cross multiply
    54,806.59x = 75,639.47 × 45,591.86
  4. Step 4: Simplify right side
    54,806.59x = 3,448,544,003.34
  5. Step 5: Solve for x
    x = 3,448,544,003.34/54,806.59
  6. Step 6: Final answer
    x = 62,922.07

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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.