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Finding the Fourth Proportional to 22,323.80, 33,468.42 and 12,949.40

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Solution

The fourth proportional to 22,323.80, 33,468.42 and 12,949.40 is: 19,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,323.80 : 33,468.42 = 12,949.40 : x
  2. Step 2: Convert to fraction form
    22,323.80/33,468.42 = 12,949.40/x
  3. Step 3: Cross multiply
    22,323.80x = 33,468.42 × 12,949.40
  4. Step 4: Simplify right side
    22,323.80x = 433,395,957.95
  5. Step 5: Solve for x
    x = 433,395,957.95/22,323.80
  6. Step 6: Final answer
    x = 19,414.08

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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.