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Finding the Fourth Proportional to 61,253.86, 91,757.76 and 27,928.08

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Solution

The fourth proportional to 61,253.86, 91,757.76 and 27,928.08 is: 41,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,253.86 : 91,757.76 = 27,928.08 : x
  2. Step 2: Convert to fraction form
    61,253.86/91,757.76 = 27,928.08/x
  3. Step 3: Cross multiply
    61,253.86x = 91,757.76 × 27,928.08
  4. Step 4: Simplify right side
    61,253.86x = 2,562,617,603.11
  5. Step 5: Solve for x
    x = 2,562,617,603.11/61,253.86
  6. Step 6: Final answer
    x = 41,836.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.