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Finding the Fourth Proportional to 22,339.75, 33,513.75 and 7,347.71

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Solution

The fourth proportional to 22,339.75, 33,513.75 and 7,347.71 is: 11,022.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,339.75 : 33,513.75 = 7,347.71 : x
  2. Step 2: Convert to fraction form
    22,339.75/33,513.75 = 7,347.71/x
  3. Step 3: Cross multiply
    22,339.75x = 33,513.75 × 7,347.71
  4. Step 4: Simplify right side
    22,339.75x = 246,249,399.80
  5. Step 5: Solve for x
    x = 246,249,399.80/22,339.75
  6. Step 6: Final answer
    x = 11,022.93

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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.