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Finding the Fourth Proportional to 22,838, 34,228.80 and 16,228.40

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Solution

The fourth proportional to 22,838, 34,228.80 and 16,228.40 is: 24,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,838 : 34,228.80 = 16,228.40 : x
  2. Step 2: Convert to fraction form
    22,838/34,228.80 = 16,228.40/x
  3. Step 3: Cross multiply
    22,838x = 34,228.80 × 16,228.40
  4. Step 4: Simplify right side
    22,838x = 555,478,657.92
  5. Step 5: Solve for x
    x = 555,478,657.92/22,838
  6. Step 6: Final answer
    x = 24,322.56

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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.