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Finding the Fourth Proportional to 22,455.58, 33,674.09 and 7,665.68

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Solution

The fourth proportional to 22,455.58, 33,674.09 and 7,665.68 is: 11,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.58 : 33,674.09 = 7,665.68 : x
  2. Step 2: Convert to fraction form
    22,455.58/33,674.09 = 7,665.68/x
  3. Step 3: Cross multiply
    22,455.58x = 33,674.09 × 7,665.68
  4. Step 4: Simplify right side
    22,455.58x = 258,134,901.58
  5. Step 5: Solve for x
    x = 258,134,901.58/22,455.58
  6. Step 6: Final answer
    x = 11,495.36

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1.5x scale

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.