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Finding the Fourth Proportional to 5,296.26, 7,304.31 and 4,287.45

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Solution

The fourth proportional to 5,296.26, 7,304.31 and 4,287.45 is: 5,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.26 : 7,304.31 = 4,287.45 : x
  2. Step 2: Convert to fraction form
    5,296.26/7,304.31 = 4,287.45/x
  3. Step 3: Cross multiply
    5,296.26x = 7,304.31 × 4,287.45
  4. Step 4: Simplify right side
    5,296.26x = 31,316,863.91
  5. Step 5: Solve for x
    x = 31,316,863.91/5,296.26
  6. Step 6: Final answer
    x = 5,913.01

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