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Finding the Fourth Proportional to 60,806.83, 91,210.55 and 27,487.88

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Solution

The fourth proportional to 60,806.83, 91,210.55 and 27,487.88 is: 41,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,806.83 : 91,210.55 = 27,487.88 : x
  2. Step 2: Convert to fraction form
    60,806.83/91,210.55 = 27,487.88/x
  3. Step 3: Cross multiply
    60,806.83x = 91,210.55 × 27,487.88
  4. Step 4: Simplify right side
    60,806.83x = 2,507,184,653.13
  5. Step 5: Solve for x
    x = 2,507,184,653.13/60,806.83
  6. Step 6: Final answer
    x = 41,231.96

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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.