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Finding the Fourth Proportional to 22,006.56, 30,368.84 and 11,935.22

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Solution

The fourth proportional to 22,006.56, 30,368.84 and 11,935.22 is: 16,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.56 : 30,368.84 = 11,935.22 : x
  2. Step 2: Convert to fraction form
    22,006.56/30,368.84 = 11,935.22/x
  3. Step 3: Cross multiply
    22,006.56x = 30,368.84 × 11,935.22
  4. Step 4: Simplify right side
    22,006.56x = 362,458,892.30
  5. Step 5: Solve for x
    x = 362,458,892.30/22,006.56
  6. Step 6: Final answer
    x = 16,470.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.