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Finding the Fourth Proportional to 55,016.64, 82,524.96 and 15,574.08

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Solution

The fourth proportional to 55,016.64, 82,524.96 and 15,574.08 is: 23,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,016.64 : 82,524.96 = 15,574.08 : x
  2. Step 2: Convert to fraction form
    55,016.64/82,524.96 = 15,574.08/x
  3. Step 3: Cross multiply
    55,016.64x = 82,524.96 × 15,574.08
  4. Step 4: Simplify right side
    55,016.64x = 1,285,250,329.04
  5. Step 5: Solve for x
    x = 1,285,250,329.04/55,016.64
  6. Step 6: Final answer
    x = 23,361.12

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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.