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Finding the Fourth Proportional to 22,395.40, 33,600.69 and 9,913.70

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Solution

The fourth proportional to 22,395.40, 33,600.69 and 9,913.70 is: 14,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,395.40 : 33,600.69 = 9,913.70 : x
  2. Step 2: Convert to fraction form
    22,395.40/33,600.69 = 9,913.70/x
  3. Step 3: Cross multiply
    22,395.40x = 33,600.69 × 9,913.70
  4. Step 4: Simplify right side
    22,395.40x = 333,107,244.45
  5. Step 5: Solve for x
    x = 333,107,244.45/22,395.40
  6. Step 6: Final answer
    x = 14,873.92

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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.