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Finding the Fourth Proportional to 22,265.64, 33,400.62 and 7,474.68

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Solution

The fourth proportional to 22,265.64, 33,400.62 and 7,474.68 is: 11,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265.64 : 33,400.62 = 7,474.68 : x
  2. Step 2: Convert to fraction form
    22,265.64/33,400.62 = 7,474.68/x
  3. Step 3: Cross multiply
    22,265.64x = 33,400.62 × 7,474.68
  4. Step 4: Simplify right side
    22,265.64x = 249,658,946.30
  5. Step 5: Solve for x
    x = 249,658,946.30/22,265.64
  6. Step 6: Final answer
    x = 11,212.75

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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.