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Finding the Fourth Proportional to 11,835,471.33, 17,754,218.99 and 4,158,448.89

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Solution

The fourth proportional to 11,835,471.33, 17,754,218.99 and 4,158,448.89 is: 6,238,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835,471.33 : 17,754,218.99 = 4,158,448.89 : x
  2. Step 2: Convert to fraction form
    11,835,471.33/17,754,218.99 = 4,158,448.89/x
  3. Step 3: Cross multiply
    11,835,471.33x = 17,754,218.99 × 4,158,448.89
  4. Step 4: Simplify right side
    11,835,471.33x = 73,830,012,230,990.17
  5. Step 5: Solve for x
    x = 73,830,012,230,990.17/11,835,471.33
  6. Step 6: Final answer
    x = 6,238,028.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.