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Finding the Fourth Proportional to 61,722.88, 92,565.22 and 22,275

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Solution

The fourth proportional to 61,722.88, 92,565.22 and 22,275 is: 33,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,722.88 : 92,565.22 = 22,275 : x
  2. Step 2: Convert to fraction form
    61,722.88/92,565.22 = 22,275/x
  3. Step 3: Cross multiply
    61,722.88x = 92,565.22 × 22,275
  4. Step 4: Simplify right side
    61,722.88x = 2,061,890,275.50
  5. Step 5: Solve for x
    x = 2,061,890,275.50/61,722.88
  6. Step 6: Final answer
    x = 33,405.61

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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.