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Finding the Fourth Proportional to 8,980,796.22, 13,479,710.97 and 5,558,731.37

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Solution

The fourth proportional to 8,980,796.22, 13,479,710.97 and 5,558,731.37 is: 8,343,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980,796.22 : 13,479,710.97 = 5,558,731.37 : x
  2. Step 2: Convert to fraction form
    8,980,796.22/13,479,710.97 = 5,558,731.37/x
  3. Step 3: Cross multiply
    8,980,796.22x = 13,479,710.97 × 5,558,731.37
  4. Step 4: Simplify right side
    8,980,796.22x = 74,930,092,160,073.58
  5. Step 5: Solve for x
    x = 74,930,092,160,073.58/8,980,796.22
  6. Step 6: Final answer
    x = 8,343,368.49

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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.