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Finding the Fourth Proportional to 61,425.90, 92,138.81 and 17,052.64

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Solution

The fourth proportional to 61,425.90, 92,138.81 and 17,052.64 is: 25,578.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,425.90 : 92,138.81 = 17,052.64 : x
  2. Step 2: Convert to fraction form
    61,425.90/92,138.81 = 17,052.64/x
  3. Step 3: Cross multiply
    61,425.90x = 92,138.81 × 17,052.64
  4. Step 4: Simplify right side
    61,425.90x = 1,571,209,641.35
  5. Step 5: Solve for x
    x = 1,571,209,641.35/61,425.90
  6. Step 6: Final answer
    x = 25,578.94

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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.