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Finding the Fourth Proportional to 5,507.99, 8,251.96 and 4,917.50

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Solution

The fourth proportional to 5,507.99, 8,251.96 and 4,917.50 is: 7,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.99 : 8,251.96 = 4,917.50 : x
  2. Step 2: Convert to fraction form
    5,507.99/8,251.96 = 4,917.50/x
  3. Step 3: Cross multiply
    5,507.99x = 8,251.96 × 4,917.50
  4. Step 4: Simplify right side
    5,507.99x = 40,579,013.30
  5. Step 5: Solve for x
    x = 40,579,013.30/5,507.99
  6. Step 6: Final answer
    x = 7,367.30

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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.