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Finding the Fourth Proportional to 61,776.30, 92,663.64 and 15,029.22

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Solution

The fourth proportional to 61,776.30, 92,663.64 and 15,029.22 is: 22,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,776.30 : 92,663.64 = 15,029.22 : x
  2. Step 2: Convert to fraction form
    61,776.30/92,663.64 = 15,029.22/x
  3. Step 3: Cross multiply
    61,776.30x = 92,663.64 × 15,029.22
  4. Step 4: Simplify right side
    61,776.30x = 1,392,662,231.56
  5. Step 5: Solve for x
    x = 1,392,662,231.56/61,776.30
  6. Step 6: Final answer
    x = 22,543.63

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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.