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Finding the Fourth Proportional to 5,825.52, 8,736.81 and 1,665.55

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Solution

The fourth proportional to 5,825.52, 8,736.81 and 1,665.55 is: 2,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.52 : 8,736.81 = 1,665.55 : x
  2. Step 2: Convert to fraction form
    5,825.52/8,736.81 = 1,665.55/x
  3. Step 3: Cross multiply
    5,825.52x = 8,736.81 × 1,665.55
  4. Step 4: Simplify right side
    5,825.52x = 14,551,595.65
  5. Step 5: Solve for x
    x = 14,551,595.65/5,825.52
  6. Step 6: Final answer
    x = 2,497.91

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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.