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Finding the Fourth Proportional to 59,580.12, 89,371.80 and 18,027.12

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Solution

The fourth proportional to 59,580.12, 89,371.80 and 18,027.12 is: 27,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,580.12 : 89,371.80 = 18,027.12 : x
  2. Step 2: Convert to fraction form
    59,580.12/89,371.80 = 18,027.12/x
  3. Step 3: Cross multiply
    59,580.12x = 89,371.80 × 18,027.12
  4. Step 4: Simplify right side
    59,580.12x = 1,611,116,163.22
  5. Step 5: Solve for x
    x = 1,611,116,163.22/59,580.12
  6. Step 6: Final answer
    x = 27,041.17

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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.