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Finding the Fourth Proportional to 61,388.80, 92,072.34 and 17,004.52

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Solution

The fourth proportional to 61,388.80, 92,072.34 and 17,004.52 is: 25,503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,388.80 : 92,072.34 = 17,004.52 : x
  2. Step 2: Convert to fraction form
    61,388.80/92,072.34 = 17,004.52/x
  3. Step 3: Cross multiply
    61,388.80x = 92,072.34 × 17,004.52
  4. Step 4: Simplify right side
    61,388.80x = 1,565,645,946.98
  5. Step 5: Solve for x
    x = 1,565,645,946.98/61,388.80
  6. Step 6: Final answer
    x = 25,503.77

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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.