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Finding the Fourth Proportional to 6,642,759.80, 9,964,139.70 and 2,383,358.60

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Solution

The fourth proportional to 6,642,759.80, 9,964,139.70 and 2,383,358.60 is: 3,575,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,759.80 : 9,964,139.70 = 2,383,358.60 : x
  2. Step 2: Convert to fraction form
    6,642,759.80/9,964,139.70 = 2,383,358.60/x
  3. Step 3: Cross multiply
    6,642,759.80x = 9,964,139.70 × 2,383,358.60
  4. Step 4: Simplify right side
    6,642,759.80x = 23,748,118,045,596.42
  5. Step 5: Solve for x
    x = 23,748,118,045,596.42/6,642,759.80
  6. Step 6: Final answer
    x = 3,575,037.90

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Similar ratio
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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.