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Finding the Fourth Proportional to 22,395.79, 33,590.78 and 9,246.38

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Solution

The fourth proportional to 22,395.79, 33,590.78 and 9,246.38 is: 13,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,395.79 : 33,590.78 = 9,246.38 : x
  2. Step 2: Convert to fraction form
    22,395.79/33,590.78 = 9,246.38/x
  3. Step 3: Cross multiply
    22,395.79x = 33,590.78 × 9,246.38
  4. Step 4: Simplify right side
    22,395.79x = 310,593,070.14
  5. Step 5: Solve for x
    x = 310,593,070.14/22,395.79
  6. Step 6: Final answer
    x = 13,868.37

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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.