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Finding the Fourth Proportional to 60,844.52, 91,270.01 and 18,753.51

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Solution

The fourth proportional to 60,844.52, 91,270.01 and 18,753.51 is: 28,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,844.52 : 91,270.01 = 18,753.51 : x
  2. Step 2: Convert to fraction form
    60,844.52/91,270.01 = 18,753.51/x
  3. Step 3: Cross multiply
    60,844.52x = 91,270.01 × 18,753.51
  4. Step 4: Simplify right side
    60,844.52x = 1,711,633,045.24
  5. Step 5: Solve for x
    x = 1,711,633,045.24/60,844.52
  6. Step 6: Final answer
    x = 28,131.26

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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.