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Finding the Fourth Proportional to 5,575.37, 8,363.04 and 1,415.37

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Solution

The fourth proportional to 5,575.37, 8,363.04 and 1,415.37 is: 2,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.37 : 8,363.04 = 1,415.37 : x
  2. Step 2: Convert to fraction form
    5,575.37/8,363.04 = 1,415.37/x
  3. Step 3: Cross multiply
    5,575.37x = 8,363.04 × 1,415.37
  4. Step 4: Simplify right side
    5,575.37x = 11,836,795.92
  5. Step 5: Solve for x
    x = 11,836,795.92/5,575.37
  6. Step 6: Final answer
    x = 2,123.05

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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.