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Finding the Fourth Proportional to 5,890.66, 8,840.54 and 3,118.03

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Solution

The fourth proportional to 5,890.66, 8,840.54 and 3,118.03 is: 4,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.66 : 8,840.54 = 3,118.03 : x
  2. Step 2: Convert to fraction form
    5,890.66/8,840.54 = 3,118.03/x
  3. Step 3: Cross multiply
    5,890.66x = 8,840.54 × 3,118.03
  4. Step 4: Simplify right side
    5,890.66x = 27,565,054.63
  5. Step 5: Solve for x
    x = 27,565,054.63/5,890.66
  6. Step 6: Final answer
    x = 4,679.45

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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.