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Finding the Fourth Proportional to 9,605,859.11, 13,256,398.87 and 5,254,945.41

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Solution

The fourth proportional to 9,605,859.11, 13,256,398.87 and 5,254,945.41 is: 7,251,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605,859.11 : 13,256,398.87 = 5,254,945.41 : x
  2. Step 2: Convert to fraction form
    9,605,859.11/13,256,398.87 = 5,254,945.41/x
  3. Step 3: Cross multiply
    9,605,859.11x = 13,256,398.87 × 5,254,945.41
  4. Step 4: Simplify right side
    9,605,859.11x = 69,661,652,395,035.69
  5. Step 5: Solve for x
    x = 69,661,652,395,035.69/9,605,859.11
  6. Step 6: Final answer
    x = 7,251,996.06

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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.