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Finding the Fourth Proportional to 61,929.71, 92,894.57 and 17,556.85

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Solution

The fourth proportional to 61,929.71, 92,894.57 and 17,556.85 is: 26,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,929.71 : 92,894.57 = 17,556.85 : x
  2. Step 2: Convert to fraction form
    61,929.71/92,894.57 = 17,556.85/x
  3. Step 3: Cross multiply
    61,929.71x = 92,894.57 × 17,556.85
  4. Step 4: Simplify right side
    61,929.71x = 1,630,936,174.86
  5. Step 5: Solve for x
    x = 1,630,936,174.86/61,929.71
  6. Step 6: Final answer
    x = 26,335.28

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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.