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Finding the Fourth Proportional to 61,961.92, 92,946.42 and 17,585.20

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Solution

The fourth proportional to 61,961.92, 92,946.42 and 17,585.20 is: 26,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,961.92 : 92,946.42 = 17,585.20 : x
  2. Step 2: Convert to fraction form
    61,961.92/92,946.42 = 17,585.20/x
  3. Step 3: Cross multiply
    61,961.92x = 92,946.42 × 17,585.20
  4. Step 4: Simplify right side
    61,961.92x = 1,634,481,384.98
  5. Step 5: Solve for x
    x = 1,634,481,384.98/61,961.92
  6. Step 6: Final answer
    x = 26,378.80

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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.