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Finding the Fourth Proportional to 61,766.22, 92,649.06 and 15,019.50

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Solution

The fourth proportional to 61,766.22, 92,649.06 and 15,019.50 is: 22,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,766.22 : 92,649.06 = 15,019.50 : x
  2. Step 2: Convert to fraction form
    61,766.22/92,649.06 = 15,019.50/x
  3. Step 3: Cross multiply
    61,766.22x = 92,649.06 × 15,019.50
  4. Step 4: Simplify right side
    61,766.22x = 1,391,542,556.67
  5. Step 5: Solve for x
    x = 1,391,542,556.67/61,766.22
  6. Step 6: Final answer
    x = 22,529.18

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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.