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Finding the Fourth Proportional to 9,976,771.02, 14,965,188 and 2,788,257.54

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Solution

The fourth proportional to 9,976,771.02, 14,965,188 and 2,788,257.54 is: 4,182,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976,771.02 : 14,965,188 = 2,788,257.54 : x
  2. Step 2: Convert to fraction form
    9,976,771.02/14,965,188 = 2,788,257.54/x
  3. Step 3: Cross multiply
    9,976,771.02x = 14,965,188 × 2,788,257.54
  4. Step 4: Simplify right side
    9,976,771.02x = 41,726,798,278,517.52
  5. Step 5: Solve for x
    x = 41,726,798,278,517.52/9,976,771.02
  6. Step 6: Final answer
    x = 4,182,395.11

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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.