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Finding the Fourth Proportional to 25,504,702.80, 38,331,703.80 and 22,220,120.40

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Solution

The fourth proportional to 25,504,702.80, 38,331,703.80 and 22,220,120.40 is: 33,395,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504,702.80 : 38,331,703.80 = 22,220,120.40 : x
  2. Step 2: Convert to fraction form
    25,504,702.80/38,331,703.80 = 22,220,120.40/x
  3. Step 3: Cross multiply
    25,504,702.80x = 38,331,703.80 × 22,220,120.40
  4. Step 4: Simplify right side
    25,504,702.80x = 851,735,073,573,137.38
  5. Step 5: Solve for x
    x = 851,735,073,573,137.38/25,504,702.80
  6. Step 6: Final answer
    x = 33,395,216.57

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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.