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Finding the Fourth Proportional to 21,063,400.60, 29,573,791.40 and 21,063,400.60

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Solution

The fourth proportional to 21,063,400.60, 29,573,791.40 and 21,063,400.60 is: 29,573,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,400.60 : 29,573,791.40 = 21,063,400.60 : x
  2. Step 2: Convert to fraction form
    21,063,400.60/29,573,791.40 = 21,063,400.60/x
  3. Step 3: Cross multiply
    21,063,400.60x = 29,573,791.40 × 21,063,400.60
  4. Step 4: Simplify right side
    21,063,400.60x = 622,924,615,519,034.88
  5. Step 5: Solve for x
    x = 622,924,615,519,034.88/21,063,400.60
  6. Step 6: Final answer
    x = 29,573,791.40

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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.