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Finding the Fourth Proportional to 61,857.52, 92,786.80 and 17,483.28

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Solution

The fourth proportional to 61,857.52, 92,786.80 and 17,483.28 is: 26,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,857.52 : 92,786.80 = 17,483.28 : x
  2. Step 2: Convert to fraction form
    61,857.52/92,786.80 = 17,483.28/x
  3. Step 3: Cross multiply
    61,857.52x = 92,786.80 × 17,483.28
  4. Step 4: Simplify right side
    61,857.52x = 1,622,217,604.70
  5. Step 5: Solve for x
    x = 1,622,217,604.70/61,857.52
  6. Step 6: Final answer
    x = 26,225.07

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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.