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Finding the Fourth Proportional to 33,644.40, 50,423.40 and 25,814.40

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Solution

The fourth proportional to 33,644.40, 50,423.40 and 25,814.40 is: 38,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,644.40 : 50,423.40 = 25,814.40 : x
  2. Step 2: Convert to fraction form
    33,644.40/50,423.40 = 25,814.40/x
  3. Step 3: Cross multiply
    33,644.40x = 50,423.40 × 25,814.40
  4. Step 4: Simplify right side
    33,644.40x = 1,301,649,816.96
  5. Step 5: Solve for x
    x = 1,301,649,816.96/33,644.40
  6. Step 6: Final answer
    x = 38,688.45

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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.