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Finding the Fourth Proportional to 8,375,628.26, 12,565,462.13 and 2,909,927.56

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Solution

The fourth proportional to 8,375,628.26, 12,565,462.13 and 2,909,927.56 is: 4,365,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,628.26 : 12,565,462.13 = 2,909,927.56 : x
  2. Step 2: Convert to fraction form
    8,375,628.26/12,565,462.13 = 2,909,927.56/x
  3. Step 3: Cross multiply
    8,375,628.26x = 12,565,462.13 × 2,909,927.56
  4. Step 4: Simplify right side
    8,375,628.26x = 36,564,584,556,223.30
  5. Step 5: Solve for x
    x = 36,564,584,556,223.30/8,375,628.26
  6. Step 6: Final answer
    x = 4,365,593.05

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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.