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Finding the Fourth Proportional to 18,447,701.70, 27,671,552.55 and 17,402,607.30

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Solution

The fourth proportional to 18,447,701.70, 27,671,552.55 and 17,402,607.30 is: 26,103,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447,701.70 : 27,671,552.55 = 17,402,607.30 : x
  2. Step 2: Convert to fraction form
    18,447,701.70/27,671,552.55 = 17,402,607.30/x
  3. Step 3: Cross multiply
    18,447,701.70x = 27,671,552.55 × 17,402,607.30
  4. Step 4: Simplify right side
    18,447,701.70x = 481,557,162,408,963.62
  5. Step 5: Solve for x
    x = 481,557,162,408,963.62/18,447,701.70
  6. Step 6: Final answer
    x = 26,103,910.95

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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.