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Finding the Fourth Proportional to 22,000.48, 33,007.60 and 7,209.60

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Solution

The fourth proportional to 22,000.48, 33,007.60 and 7,209.60 is: 10,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.48 : 33,007.60 = 7,209.60 : x
  2. Step 2: Convert to fraction form
    22,000.48/33,007.60 = 7,209.60/x
  3. Step 3: Cross multiply
    22,000.48x = 33,007.60 × 7,209.60
  4. Step 4: Simplify right side
    22,000.48x = 237,971,592.96
  5. Step 5: Solve for x
    x = 237,971,592.96/22,000.48
  6. Step 6: Final answer
    x = 10,816.65

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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.