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Finding the Fourth Proportional to 22,366.58, 30,866.45 and 12,295.28

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Solution

The fourth proportional to 22,366.58, 30,866.45 and 12,295.28 is: 16,967.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,366.58 : 30,866.45 = 12,295.28 : x
  2. Step 2: Convert to fraction form
    22,366.58/30,866.45 = 12,295.28/x
  3. Step 3: Cross multiply
    22,366.58x = 30,866.45 × 12,295.28
  4. Step 4: Simplify right side
    22,366.58x = 379,511,429.55
  5. Step 5: Solve for x
    x = 379,511,429.55/22,366.58
  6. Step 6: Final answer
    x = 16,967.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.