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Finding the Fourth Proportional to 22,656,751.80, 33,985,127.70 and 20,389,270.20

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Solution

The fourth proportional to 22,656,751.80, 33,985,127.70 and 20,389,270.20 is: 30,583,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656,751.80 : 33,985,127.70 = 20,389,270.20 : x
  2. Step 2: Convert to fraction form
    22,656,751.80/33,985,127.70 = 20,389,270.20/x
  3. Step 3: Cross multiply
    22,656,751.80x = 33,985,127.70 × 20,389,270.20
  4. Step 4: Simplify right side
    22,656,751.80x = 692,931,951,456,804.62
  5. Step 5: Solve for x
    x = 692,931,951,456,804.62/22,656,751.80
  6. Step 6: Final answer
    x = 30,583,905.30

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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.