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Finding the Fourth Proportional to 5,528.22, 8,302.98 and 4,739.38

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Solution

The fourth proportional to 5,528.22, 8,302.98 and 4,739.38 is: 7,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.22 : 8,302.98 = 4,739.38 : x
  2. Step 2: Convert to fraction form
    5,528.22/8,302.98 = 4,739.38/x
  3. Step 3: Cross multiply
    5,528.22x = 8,302.98 × 4,739.38
  4. Step 4: Simplify right side
    5,528.22x = 39,350,977.35
  5. Step 5: Solve for x
    x = 39,350,977.35/5,528.22
  6. Step 6: Final answer
    x = 7,118.20

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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.