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Finding the Fourth Proportional to 69,219.94, 95,560.24 and 55,458.24

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Solution

The fourth proportional to 69,219.94, 95,560.24 and 55,458.24 is: 76,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,219.94 : 95,560.24 = 55,458.24 : x
  2. Step 2: Convert to fraction form
    69,219.94/95,560.24 = 55,458.24/x
  3. Step 3: Cross multiply
    69,219.94x = 95,560.24 × 55,458.24
  4. Step 4: Simplify right side
    69,219.94x = 5,299,602,724.38
  5. Step 5: Solve for x
    x = 5,299,602,724.38/69,219.94
  6. Step 6: Final answer
    x = 76,561.79

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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.