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Finding the Fourth Proportional to 8,910,409.88, 12,296,377.50 and 4,836,028.88

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Solution

The fourth proportional to 8,910,409.88, 12,296,377.50 and 4,836,028.88 is: 6,673,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,409.88 : 12,296,377.50 = 4,836,028.88 : x
  2. Step 2: Convert to fraction form
    8,910,409.88/12,296,377.50 = 4,836,028.88/x
  3. Step 3: Cross multiply
    8,910,409.88x = 12,296,377.50 × 4,836,028.88
  4. Step 4: Simplify right side
    8,910,409.88x = 59,465,636,709,382.20
  5. Step 5: Solve for x
    x = 59,465,636,709,382.20/8,910,409.88
  6. Step 6: Final answer
    x = 6,673,726.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.