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Finding the Fourth Proportional to 6,401,873.48, 8,834,032.63 and 3,610,843.06

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Solution

The fourth proportional to 6,401,873.48, 8,834,032.63 and 3,610,843.06 is: 4,982,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401,873.48 : 8,834,032.63 = 3,610,843.06 : x
  2. Step 2: Convert to fraction form
    6,401,873.48/8,834,032.63 = 3,610,843.06/x
  3. Step 3: Cross multiply
    6,401,873.48x = 8,834,032.63 × 3,610,843.06
  4. Step 4: Simplify right side
    6,401,873.48x = 31,898,305,412,841.33
  5. Step 5: Solve for x
    x = 31,898,305,412,841.33/6,401,873.48
  6. Step 6: Final answer
    x = 4,982,651.65

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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.