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Finding the Fourth Proportional to 5,558.32, 8,328.84 and 3,502

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Solution

The fourth proportional to 5,558.32, 8,328.84 and 3,502 is: 5,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.32 : 8,328.84 = 3,502 : x
  2. Step 2: Convert to fraction form
    5,558.32/8,328.84 = 3,502/x
  3. Step 3: Cross multiply
    5,558.32x = 8,328.84 × 3,502
  4. Step 4: Simplify right side
    5,558.32x = 29,167,597.68
  5. Step 5: Solve for x
    x = 29,167,597.68/5,558.32
  6. Step 6: Final answer
    x = 5,247.56

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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.