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Finding the Fourth Proportional to 59,762.08, 89,640.96 and 18,208

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Solution

The fourth proportional to 59,762.08, 89,640.96 and 18,208 is: 27,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,762.08 : 89,640.96 = 18,208 : x
  2. Step 2: Convert to fraction form
    59,762.08/89,640.96 = 18,208/x
  3. Step 3: Cross multiply
    59,762.08x = 89,640.96 × 18,208
  4. Step 4: Simplify right side
    59,762.08x = 1,632,182,599.68
  5. Step 5: Solve for x
    x = 1,632,182,599.68/59,762.08
  6. Step 6: Final answer
    x = 27,311.34

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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.