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Finding the Fourth Proportional to 55,049.74, 82,577.75 and 15,603.75

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Solution

The fourth proportional to 55,049.74, 82,577.75 and 15,603.75 is: 23,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049.74 : 82,577.75 = 15,603.75 : x
  2. Step 2: Convert to fraction form
    55,049.74/82,577.75 = 15,603.75/x
  3. Step 3: Cross multiply
    55,049.74x = 82,577.75 × 15,603.75
  4. Step 4: Simplify right side
    55,049.74x = 1,288,522,488.54
  5. Step 5: Solve for x
    x = 1,288,522,488.54/55,049.74
  6. Step 6: Final answer
    x = 23,406.51

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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.