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Finding the Fourth Proportional to 22,103.52, 33,154.80 and 8,955.60

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Solution

The fourth proportional to 22,103.52, 33,154.80 and 8,955.60 is: 13,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,103.52 : 33,154.80 = 8,955.60 : x
  2. Step 2: Convert to fraction form
    22,103.52/33,154.80 = 8,955.60/x
  3. Step 3: Cross multiply
    22,103.52x = 33,154.80 × 8,955.60
  4. Step 4: Simplify right side
    22,103.52x = 296,921,126.88
  5. Step 5: Solve for x
    x = 296,921,126.88/22,103.52
  6. Step 6: Final answer
    x = 13,433.21

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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.