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Finding the Fourth Proportional to 22,295.80, 33,443.70 and 9,154.36

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Solution

The fourth proportional to 22,295.80, 33,443.70 and 9,154.36 is: 13,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.80 : 33,443.70 = 9,154.36 : x
  2. Step 2: Convert to fraction form
    22,295.80/33,443.70 = 9,154.36/x
  3. Step 3: Cross multiply
    22,295.80x = 33,443.70 × 9,154.36
  4. Step 4: Simplify right side
    22,295.80x = 306,155,669.53
  5. Step 5: Solve for x
    x = 306,155,669.53/22,295.80
  6. Step 6: Final answer
    x = 13,731.54

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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.