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Finding the Fourth Proportional to 16,663,262.80, 24,994,894.20 and 4,695,998.80

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Solution

The fourth proportional to 16,663,262.80, 24,994,894.20 and 4,695,998.80 is: 7,043,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663,262.80 : 24,994,894.20 = 4,695,998.80 : x
  2. Step 2: Convert to fraction form
    16,663,262.80/24,994,894.20 = 4,695,998.80/x
  3. Step 3: Cross multiply
    16,663,262.80x = 24,994,894.20 × 4,695,998.80
  4. Step 4: Simplify right side
    16,663,262.80x = 117,375,993,169,326.95
  5. Step 5: Solve for x
    x = 117,375,993,169,326.95/16,663,262.80
  6. Step 6: Final answer
    x = 7,043,998.20

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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.