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Finding the Fourth Proportional to 6,474,561.90, 8,934,897.21 and 3,573,954.66

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Solution

The fourth proportional to 6,474,561.90, 8,934,897.21 and 3,573,954.66 is: 4,932,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,561.90 : 8,934,897.21 = 3,573,954.66 : x
  2. Step 2: Convert to fraction form
    6,474,561.90/8,934,897.21 = 3,573,954.66/x
  3. Step 3: Cross multiply
    6,474,561.90x = 8,934,897.21 × 3,573,954.66
  4. Step 4: Simplify right side
    6,474,561.90x = 31,932,917,520,300.50
  5. Step 5: Solve for x
    x = 31,932,917,520,300.50/6,474,561.90
  6. Step 6: Final answer
    x = 4,932,058.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.