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Finding the Fourth Proportional to 25,763,710.80, 38,645,566.20 and 22,256,200.20

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Solution

The fourth proportional to 25,763,710.80, 38,645,566.20 and 22,256,200.20 is: 33,384,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,763,710.80 : 38,645,566.20 = 22,256,200.20 : x
  2. Step 2: Convert to fraction form
    25,763,710.80/38,645,566.20 = 22,256,200.20/x
  3. Step 3: Cross multiply
    25,763,710.80x = 38,645,566.20 × 22,256,200.20
  4. Step 4: Simplify right side
    25,763,710.80x = 860,103,458,189,553.25
  5. Step 5: Solve for x
    x = 860,103,458,189,553.25/25,763,710.80
  6. Step 6: Final answer
    x = 33,384,300.30

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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.