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Finding the Fourth Proportional to 61,481.19, 92,224.07 and 21,492.35

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Solution

The fourth proportional to 61,481.19, 92,224.07 and 21,492.35 is: 32,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,481.19 : 92,224.07 = 21,492.35 : x
  2. Step 2: Convert to fraction form
    61,481.19/92,224.07 = 21,492.35/x
  3. Step 3: Cross multiply
    61,481.19x = 92,224.07 × 21,492.35
  4. Step 4: Simplify right side
    61,481.19x = 1,982,111,990.86
  5. Step 5: Solve for x
    x = 1,982,111,990.86/61,481.19
  6. Step 6: Final answer
    x = 32,239.32

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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.