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Finding the Fourth Proportional to 64,992.70, 97,492.52 and 18,249.22

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Solution

The fourth proportional to 64,992.70, 97,492.52 and 18,249.22 is: 27,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,992.70 : 97,492.52 = 18,249.22 : x
  2. Step 2: Convert to fraction form
    64,992.70/97,492.52 = 18,249.22/x
  3. Step 3: Cross multiply
    64,992.70x = 97,492.52 × 18,249.22
  4. Step 4: Simplify right side
    64,992.70x = 1,779,161,958.37
  5. Step 5: Solve for x
    x = 1,779,161,958.37/64,992.70
  6. Step 6: Final answer
    x = 27,374.80

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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.