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Finding the Fourth Proportional to 5,679.97, 8,533.79 and 5,365.25

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Solution

The fourth proportional to 5,679.97, 8,533.79 and 5,365.25 is: 8,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.97 : 8,533.79 = 5,365.25 : x
  2. Step 2: Convert to fraction form
    5,679.97/8,533.79 = 5,365.25/x
  3. Step 3: Cross multiply
    5,679.97x = 8,533.79 × 5,365.25
  4. Step 4: Simplify right side
    5,679.97x = 45,785,916.80
  5. Step 5: Solve for x
    x = 45,785,916.80/5,679.97
  6. Step 6: Final answer
    x = 8,060.94

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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.