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Finding the Fourth Proportional to 69,182.70, 95,443.80 and 51,076.74

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Solution

The fourth proportional to 69,182.70, 95,443.80 and 51,076.74 is: 70,464.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,182.70 : 95,443.80 = 51,076.74 : x
  2. Step 2: Convert to fraction form
    69,182.70/95,443.80 = 51,076.74/x
  3. Step 3: Cross multiply
    69,182.70x = 95,443.80 × 51,076.74
  4. Step 4: Simplify right side
    69,182.70x = 4,874,958,157.21
  5. Step 5: Solve for x
    x = 4,874,958,157.21/69,182.70
  6. Step 6: Final answer
    x = 70,464.99

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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.