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Finding the Fourth Proportional to 5,333.60, 7,359.64 and 2,975.44

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Solution

The fourth proportional to 5,333.60, 7,359.64 and 2,975.44 is: 4,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.60 : 7,359.64 = 2,975.44 : x
  2. Step 2: Convert to fraction form
    5,333.60/7,359.64 = 2,975.44/x
  3. Step 3: Cross multiply
    5,333.60x = 7,359.64 × 2,975.44
  4. Step 4: Simplify right side
    5,333.60x = 21,898,167.24
  5. Step 5: Solve for x
    x = 21,898,167.24/5,333.60
  6. Step 6: Final answer
    x = 4,105.70

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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.