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Finding the Fourth Proportional to 60,690.96, 91,035.23 and 27,387.20

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Solution

The fourth proportional to 60,690.96, 91,035.23 and 27,387.20 is: 41,080.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,690.96 : 91,035.23 = 27,387.20 : x
  2. Step 2: Convert to fraction form
    60,690.96/91,035.23 = 27,387.20/x
  3. Step 3: Cross multiply
    60,690.96x = 91,035.23 × 27,387.20
  4. Step 4: Simplify right side
    60,690.96x = 2,493,200,141.71
  5. Step 5: Solve for x
    x = 2,493,200,141.71/60,690.96
  6. Step 6: Final answer
    x = 41,080.26

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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.