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Finding the Fourth Proportional to 11,838,883.95, 17,758,824.17 and 3,752,178.68

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Solution

The fourth proportional to 11,838,883.95, 17,758,824.17 and 3,752,178.68 is: 5,628,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838,883.95 : 17,758,824.17 = 3,752,178.68 : x
  2. Step 2: Convert to fraction form
    11,838,883.95/17,758,824.17 = 3,752,178.68/x
  3. Step 3: Cross multiply
    11,838,883.95x = 17,758,824.17 × 3,752,178.68
  4. Step 4: Simplify right side
    11,838,883.95x = 66,634,281,324,987.67
  5. Step 5: Solve for x
    x = 66,634,281,324,987.67/11,838,883.95
  6. Step 6: Final answer
    x = 5,628,425.92

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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.