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Finding the Fourth Proportional to 12,338,959.00, 17,029,685.47 and 7,040,664.46

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Solution

The fourth proportional to 12,338,959.00, 17,029,685.47 and 7,040,664.46 is: 9,717,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338,959.00 : 17,029,685.47 = 7,040,664.46 : x
  2. Step 2: Convert to fraction form
    12,338,959.00/17,029,685.47 = 7,040,664.46/x
  3. Step 3: Cross multiply
    12,338,959.00x = 17,029,685.47 × 7,040,664.46
  4. Step 4: Simplify right side
    12,338,959.00x = 119,900,301,212,698.92
  5. Step 5: Solve for x
    x = 119,900,301,212,698.92/12,338,959.00
  6. Step 6: Final answer
    x = 9,717,213.68

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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.