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Finding the Fourth Proportional to 22,124.40, 33,237.80 and 15,212.40

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Solution

The fourth proportional to 22,124.40, 33,237.80 and 15,212.40 is: 22,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.40 : 33,237.80 = 15,212.40 : x
  2. Step 2: Convert to fraction form
    22,124.40/33,237.80 = 15,212.40/x
  3. Step 3: Cross multiply
    22,124.40x = 33,237.80 × 15,212.40
  4. Step 4: Simplify right side
    22,124.40x = 505,626,708.72
  5. Step 5: Solve for x
    x = 505,626,708.72/22,124.40
  6. Step 6: Final answer
    x = 22,853.80

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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.