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Finding the Fourth Proportional to 22,646.56, 33,972.72 and 7,062.88

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Solution

The fourth proportional to 22,646.56, 33,972.72 and 7,062.88 is: 10,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,646.56 : 33,972.72 = 7,062.88 : x
  2. Step 2: Convert to fraction form
    22,646.56/33,972.72 = 7,062.88/x
  3. Step 3: Cross multiply
    22,646.56x = 33,972.72 × 7,062.88
  4. Step 4: Simplify right side
    22,646.56x = 239,945,244.63
  5. Step 5: Solve for x
    x = 239,945,244.63/22,646.56
  6. Step 6: Final answer
    x = 10,595.22

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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.