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Finding the Fourth Proportional to 6,357,789.70, 9,536,684.55 and 3,670,404.10

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Solution

The fourth proportional to 6,357,789.70, 9,536,684.55 and 3,670,404.10 is: 5,505,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357,789.70 : 9,536,684.55 = 3,670,404.10 : x
  2. Step 2: Convert to fraction form
    6,357,789.70/9,536,684.55 = 3,670,404.10/x
  3. Step 3: Cross multiply
    6,357,789.70x = 9,536,684.55 × 3,670,404.10
  4. Step 4: Simplify right side
    6,357,789.70x = 35,003,486,072,726.66
  5. Step 5: Solve for x
    x = 35,003,486,072,726.66/6,357,789.70
  6. Step 6: Final answer
    x = 5,505,606.15

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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.