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Finding the Fourth Proportional to 22,409.80, 33,614.70 and 14,627.40

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Solution

The fourth proportional to 22,409.80, 33,614.70 and 14,627.40 is: 21,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.80 : 33,614.70 = 14,627.40 : x
  2. Step 2: Convert to fraction form
    22,409.80/33,614.70 = 14,627.40/x
  3. Step 3: Cross multiply
    22,409.80x = 33,614.70 × 14,627.40
  4. Step 4: Simplify right side
    22,409.80x = 491,695,662.78
  5. Step 5: Solve for x
    x = 491,695,662.78/22,409.80
  6. Step 6: Final answer
    x = 21,941.10

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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.