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Finding the Fourth Proportional to 22,172.87, 33,265.06 and 11,079.11

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Solution

The fourth proportional to 22,172.87, 33,265.06 and 11,079.11 is: 16,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.87 : 33,265.06 = 11,079.11 : x
  2. Step 2: Convert to fraction form
    22,172.87/33,265.06 = 11,079.11/x
  3. Step 3: Cross multiply
    22,172.87x = 33,265.06 × 11,079.11
  4. Step 4: Simplify right side
    22,172.87x = 368,547,258.90
  5. Step 5: Solve for x
    x = 368,547,258.90/22,172.87
  6. Step 6: Final answer
    x = 16,621.54

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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.