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Finding the Fourth Proportional to 22,642.12, 33,956.70 and 7,055.56

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Solution

The fourth proportional to 22,642.12, 33,956.70 and 7,055.56 is: 10,581.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,642.12 : 33,956.70 = 7,055.56 : x
  2. Step 2: Convert to fraction form
    22,642.12/33,956.70 = 7,055.56/x
  3. Step 3: Cross multiply
    22,642.12x = 33,956.70 × 7,055.56
  4. Step 4: Simplify right side
    22,642.12x = 239,583,534.25
  5. Step 5: Solve for x
    x = 239,583,534.25/22,642.12
  6. Step 6: Final answer
    x = 10,581.32

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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.