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Finding the Fourth Proportional to 22,079.76, 33,063.12 and 12,208.08

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Solution

The fourth proportional to 22,079.76, 33,063.12 and 12,208.08 is: 18,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.76 : 33,063.12 = 12,208.08 : x
  2. Step 2: Convert to fraction form
    22,079.76/33,063.12 = 12,208.08/x
  3. Step 3: Cross multiply
    22,079.76x = 33,063.12 × 12,208.08
  4. Step 4: Simplify right side
    22,079.76x = 403,637,214.01
  5. Step 5: Solve for x
    x = 403,637,214.01/22,079.76
  6. Step 6: Final answer
    x = 18,280.87

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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.