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Finding the Fourth Proportional to 18,662,887, 27,994,330.50 and 4,479,463

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Solution

The fourth proportional to 18,662,887, 27,994,330.50 and 4,479,463 is: 6,719,194.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662,887 : 27,994,330.50 = 4,479,463 : x
  2. Step 2: Convert to fraction form
    18,662,887/27,994,330.50 = 4,479,463/x
  3. Step 3: Cross multiply
    18,662,887x = 27,994,330.50 × 4,479,463
  4. Step 4: Simplify right side
    18,662,887x = 125,399,567,684,521.50
  5. Step 5: Solve for x
    x = 125,399,567,684,521.50/18,662,887
  6. Step 6: Final answer
    x = 6,719,194.50

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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.