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Finding the Fourth Proportional to 18,662,832, 27,994,248 and 4,479,408

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Solution

The fourth proportional to 18,662,832, 27,994,248 and 4,479,408 is: 6,719,112

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662,832 : 27,994,248 = 4,479,408 : x
  2. Step 2: Convert to fraction form
    18,662,832/27,994,248 = 4,479,408/x
  3. Step 3: Cross multiply
    18,662,832x = 27,994,248 × 4,479,408
  4. Step 4: Simplify right side
    18,662,832x = 125,397,658,445,184
  5. Step 5: Solve for x
    x = 125,397,658,445,184/18,662,832
  6. Step 6: Final answer
    x = 6,719,112

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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.