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Finding the Fourth Proportional to 22,117.40, 33,176.10 and 8,266.40

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Solution

The fourth proportional to 22,117.40, 33,176.10 and 8,266.40 is: 12,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.40 : 33,176.10 = 8,266.40 : x
  2. Step 2: Convert to fraction form
    22,117.40/33,176.10 = 8,266.40/x
  3. Step 3: Cross multiply
    22,117.40x = 33,176.10 × 8,266.40
  4. Step 4: Simplify right side
    22,117.40x = 274,246,913.04
  5. Step 5: Solve for x
    x = 274,246,913.04/22,117.40
  6. Step 6: Final answer
    x = 12,399.60

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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.