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Finding the Fourth Proportional to 60,827.39, 91,249.77 and 18,710.99

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Solution

The fourth proportional to 60,827.39, 91,249.77 and 18,710.99 is: 28,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,827.39 : 91,249.77 = 18,710.99 : x
  2. Step 2: Convert to fraction form
    60,827.39/91,249.77 = 18,710.99/x
  3. Step 3: Cross multiply
    60,827.39x = 91,249.77 × 18,710.99
  4. Step 4: Simplify right side
    60,827.39x = 1,707,373,533.97
  5. Step 5: Solve for x
    x = 1,707,373,533.97/60,827.39
  6. Step 6: Final answer
    x = 28,069.16

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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.