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Finding the Fourth Proportional to 21,924,006.40, 30,760,793.60 and 21,924,006.40

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Solution

The fourth proportional to 21,924,006.40, 30,760,793.60 and 21,924,006.40 is: 30,760,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924,006.40 : 30,760,793.60 = 21,924,006.40 : x
  2. Step 2: Convert to fraction form
    21,924,006.40/30,760,793.60 = 21,924,006.40/x
  3. Step 3: Cross multiply
    21,924,006.40x = 30,760,793.60 × 21,924,006.40
  4. Step 4: Simplify right side
    21,924,006.40x = 674,399,835,755,479
  5. Step 5: Solve for x
    x = 674,399,835,755,479/21,924,006.40
  6. Step 6: Final answer
    x = 30,760,793.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.