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Finding the Fourth Proportional to 22,264.92, 33,390.60 and 7,470.60

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Solution

The fourth proportional to 22,264.92, 33,390.60 and 7,470.60 is: 11,203.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,264.92 : 33,390.60 = 7,470.60 : x
  2. Step 2: Convert to fraction form
    22,264.92/33,390.60 = 7,470.60/x
  3. Step 3: Cross multiply
    22,264.92x = 33,390.60 × 7,470.60
  4. Step 4: Simplify right side
    22,264.92x = 249,447,816.36
  5. Step 5: Solve for x
    x = 249,447,816.36/22,264.92
  6. Step 6: Final answer
    x = 11,203.63

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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.