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Finding the Fourth Proportional to 59,557.08, 89,348.58 and 18,003

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Solution

The fourth proportional to 59,557.08, 89,348.58 and 18,003 is: 27,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,557.08 : 89,348.58 = 18,003 : x
  2. Step 2: Convert to fraction form
    59,557.08/89,348.58 = 18,003/x
  3. Step 3: Cross multiply
    59,557.08x = 89,348.58 × 18,003
  4. Step 4: Simplify right side
    59,557.08x = 1,608,542,485.74
  5. Step 5: Solve for x
    x = 1,608,542,485.74/59,557.08
  6. Step 6: Final answer
    x = 27,008.42

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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.