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Finding the Fourth Proportional to 61,920.72, 92,892.24 and 22,533.12

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Solution

The fourth proportional to 61,920.72, 92,892.24 and 22,533.12 is: 33,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,920.72 : 92,892.24 = 22,533.12 : x
  2. Step 2: Convert to fraction form
    61,920.72/92,892.24 = 22,533.12/x
  3. Step 3: Cross multiply
    61,920.72x = 92,892.24 × 22,533.12
  4. Step 4: Simplify right side
    61,920.72x = 2,093,151,990.99
  5. Step 5: Solve for x
    x = 2,093,151,990.99/61,920.72
  6. Step 6: Final answer
    x = 33,803.74

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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.