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Finding the Fourth Proportional to 22,224.40, 33,346.20 and 11,280.40

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Solution

The fourth proportional to 22,224.40, 33,346.20 and 11,280.40 is: 16,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.40 : 33,346.20 = 11,280.40 : x
  2. Step 2: Convert to fraction form
    22,224.40/33,346.20 = 11,280.40/x
  3. Step 3: Cross multiply
    22,224.40x = 33,346.20 × 11,280.40
  4. Step 4: Simplify right side
    22,224.40x = 376,158,474.48
  5. Step 5: Solve for x
    x = 376,158,474.48/22,224.40
  6. Step 6: Final answer
    x = 16,925.47

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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.