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Finding the Fourth Proportional to 22,417.39, 33,629.73 and 7,624.77

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Solution

The fourth proportional to 22,417.39, 33,629.73 and 7,624.77 is: 11,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,417.39 : 33,629.73 = 7,624.77 : x
  2. Step 2: Convert to fraction form
    22,417.39/33,629.73 = 7,624.77/x
  3. Step 3: Cross multiply
    22,417.39x = 33,629.73 × 7,624.77
  4. Step 4: Simplify right side
    22,417.39x = 256,418,844.60
  5. Step 5: Solve for x
    x = 256,418,844.60/22,417.39
  6. Step 6: Final answer
    x = 11,438.39

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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.