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Finding the Fourth Proportional to 5,079.64, 6,999.36 and 4,748.44

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Solution

The fourth proportional to 5,079.64, 6,999.36 and 4,748.44 is: 6,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.64 : 6,999.36 = 4,748.44 : x
  2. Step 2: Convert to fraction form
    5,079.64/6,999.36 = 4,748.44/x
  3. Step 3: Cross multiply
    5,079.64x = 6,999.36 × 4,748.44
  4. Step 4: Simplify right side
    5,079.64x = 33,236,041.00
  5. Step 5: Solve for x
    x = 33,236,041.00/5,079.64
  6. Step 6: Final answer
    x = 6,542.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.