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Finding the Fourth Proportional to 61,843.64, 92,771.53 and 17,470.72

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Solution

The fourth proportional to 61,843.64, 92,771.53 and 17,470.72 is: 26,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,843.64 : 92,771.53 = 17,470.72 : x
  2. Step 2: Convert to fraction form
    61,843.64/92,771.53 = 17,470.72/x
  3. Step 3: Cross multiply
    61,843.64x = 92,771.53 × 17,470.72
  4. Step 4: Simplify right side
    61,843.64x = 1,620,785,496.89
  5. Step 5: Solve for x
    x = 1,620,785,496.89/61,843.64
  6. Step 6: Final answer
    x = 26,207.80

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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.