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Finding the Fourth Proportional to 61,683.50, 92,531.05 and 17,310.06

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Solution

The fourth proportional to 61,683.50, 92,531.05 and 17,310.06 is: 25,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,683.50 : 92,531.05 = 17,310.06 : x
  2. Step 2: Convert to fraction form
    61,683.50/92,531.05 = 17,310.06/x
  3. Step 3: Cross multiply
    61,683.50x = 92,531.05 × 17,310.06
  4. Step 4: Simplify right side
    61,683.50x = 1,601,717,984.09
  5. Step 5: Solve for x
    x = 1,601,717,984.09/61,683.50
  6. Step 6: Final answer
    x = 25,966.72

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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.