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Finding the Fourth Proportional to 6,503,357.17, 8,974,633.31 and 3,563,186.77

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Solution

The fourth proportional to 6,503,357.17, 8,974,633.31 and 3,563,186.77 is: 4,917,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503,357.17 : 8,974,633.31 = 3,563,186.77 : x
  2. Step 2: Convert to fraction form
    6,503,357.17/8,974,633.31 = 3,563,186.77/x
  3. Step 3: Cross multiply
    6,503,357.17x = 8,974,633.31 × 3,563,186.77
  4. Step 4: Simplify right side
    6,503,357.17x = 31,978,294,675,793.31
  5. Step 5: Solve for x
    x = 31,978,294,675,793.31/6,503,357.17
  6. Step 6: Final answer
    x = 4,917,197.97

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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.