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Finding the Fourth Proportional to 22,897.40, 34,354.20 and 22,087.40

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Solution

The fourth proportional to 22,897.40, 34,354.20 and 22,087.40 is: 33,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,897.40 : 34,354.20 = 22,087.40 : x
  2. Step 2: Convert to fraction form
    22,897.40/34,354.20 = 22,087.40/x
  3. Step 3: Cross multiply
    22,897.40x = 34,354.20 × 22,087.40
  4. Step 4: Simplify right side
    22,897.40x = 758,794,957.08
  5. Step 5: Solve for x
    x = 758,794,957.08/22,897.40
  6. Step 6: Final answer
    x = 33,138.91

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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.