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Finding the Fourth Proportional to 60,559.80, 90,844.34 and 18,443.46

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Solution

The fourth proportional to 60,559.80, 90,844.34 and 18,443.46 is: 27,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,559.80 : 90,844.34 = 18,443.46 : x
  2. Step 2: Convert to fraction form
    60,559.80/90,844.34 = 18,443.46/x
  3. Step 3: Cross multiply
    60,559.80x = 90,844.34 × 18,443.46
  4. Step 4: Simplify right side
    60,559.80x = 1,675,484,199.47
  5. Step 5: Solve for x
    x = 1,675,484,199.47/60,559.80
  6. Step 6: Final answer
    x = 27,666.61

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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.