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Finding the Fourth Proportional to 8,897,716.70, 13,346,575.05 and 7,952,932.70

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Solution

The fourth proportional to 8,897,716.70, 13,346,575.05 and 7,952,932.70 is: 11,929,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897,716.70 : 13,346,575.05 = 7,952,932.70 : x
  2. Step 2: Convert to fraction form
    8,897,716.70/13,346,575.05 = 7,952,932.70/x
  3. Step 3: Cross multiply
    8,897,716.70x = 13,346,575.05 × 7,952,932.70
  4. Step 4: Simplify right side
    8,897,716.70x = 106,144,413,148,149.14
  5. Step 5: Solve for x
    x = 106,144,413,148,149.14/8,897,716.70
  6. Step 6: Final answer
    x = 11,929,399.05

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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.