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Finding the Fourth Proportional to 61,912.80, 92,909.04 and 22,466.40

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Solution

The fourth proportional to 61,912.80, 92,909.04 and 22,466.40 is: 33,714.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,912.80 : 92,909.04 = 22,466.40 : x
  2. Step 2: Convert to fraction form
    61,912.80/92,909.04 = 22,466.40/x
  3. Step 3: Cross multiply
    61,912.80x = 92,909.04 × 22,466.40
  4. Step 4: Simplify right side
    61,912.80x = 2,087,331,656.26
  5. Step 5: Solve for x
    x = 2,087,331,656.26/61,912.80
  6. Step 6: Final answer
    x = 33,714.06

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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.