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Finding the Fourth Proportional to 22,179, 33,278.40 and 12,050.45

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Solution

The fourth proportional to 22,179, 33,278.40 and 12,050.45 is: 18,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179 : 33,278.40 = 12,050.45 : x
  2. Step 2: Convert to fraction form
    22,179/33,278.40 = 12,050.45/x
  3. Step 3: Cross multiply
    22,179x = 33,278.40 × 12,050.45
  4. Step 4: Simplify right side
    22,179x = 401,019,635.03
  5. Step 5: Solve for x
    x = 401,019,635.03/22,179
  6. Step 6: Final answer
    x = 18,081.05

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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.