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Finding the Fourth Proportional to 22,422.76, 33,637.26 and 7,627.64

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Solution

The fourth proportional to 22,422.76, 33,637.26 and 7,627.64 is: 11,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.76 : 33,637.26 = 7,627.64 : x
  2. Step 2: Convert to fraction form
    22,422.76/33,637.26 = 7,627.64/x
  3. Step 3: Cross multiply
    22,422.76x = 33,637.26 × 7,627.64
  4. Step 4: Simplify right side
    22,422.76x = 256,572,909.87
  5. Step 5: Solve for x
    x = 256,572,909.87/22,422.76
  6. Step 6: Final answer
    x = 11,442.52

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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.