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Finding the Fourth Proportional to 16,640,734.80, 24,953,729.40 and 7,668,037.20

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Solution

The fourth proportional to 16,640,734.80, 24,953,729.40 and 7,668,037.20 is: 11,498,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640,734.80 : 24,953,729.40 = 7,668,037.20 : x
  2. Step 2: Convert to fraction form
    16,640,734.80/24,953,729.40 = 7,668,037.20/x
  3. Step 3: Cross multiply
    16,640,734.80x = 24,953,729.40 × 7,668,037.20
  4. Step 4: Simplify right side
    16,640,734.80x = 191,346,125,317,933.69
  5. Step 5: Solve for x
    x = 191,346,125,317,933.69/16,640,734.80
  6. Step 6: Final answer
    x = 11,498,658.42

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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.