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Finding the Fourth Proportional to 59,892.72, 89,832.48 and 18,330

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Solution

The fourth proportional to 59,892.72, 89,832.48 and 18,330 is: 27,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,892.72 : 89,832.48 = 18,330 : x
  2. Step 2: Convert to fraction form
    59,892.72/89,832.48 = 18,330/x
  3. Step 3: Cross multiply
    59,892.72x = 89,832.48 × 18,330
  4. Step 4: Simplify right side
    59,892.72x = 1,646,629,358.40
  5. Step 5: Solve for x
    x = 1,646,629,358.40/59,892.72
  6. Step 6: Final answer
    x = 27,492.98

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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.