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Finding the Fourth Proportional to 61,702.67, 92,561.69 and 21,712.22

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Solution

The fourth proportional to 61,702.67, 92,561.69 and 21,712.22 is: 32,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,702.67 : 92,561.69 = 21,712.22 : x
  2. Step 2: Convert to fraction form
    61,702.67/92,561.69 = 21,712.22/x
  3. Step 3: Cross multiply
    61,702.67x = 92,561.69 × 21,712.22
  4. Step 4: Simplify right side
    61,702.67x = 2,009,719,205.48
  5. Step 5: Solve for x
    x = 2,009,719,205.48/61,702.67
  6. Step 6: Final answer
    x = 32,571.03

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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.