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Finding the Fourth Proportional to 5,357.13, 7,392.94 and 2,999.27

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Solution

The fourth proportional to 5,357.13, 7,392.94 and 2,999.27 is: 4,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.13 : 7,392.94 = 2,999.27 : x
  2. Step 2: Convert to fraction form
    5,357.13/7,392.94 = 2,999.27/x
  3. Step 3: Cross multiply
    5,357.13x = 7,392.94 × 2,999.27
  4. Step 4: Simplify right side
    5,357.13x = 22,173,423.15
  5. Step 5: Solve for x
    x = 22,173,423.15/5,357.13
  6. Step 6: Final answer
    x = 4,139.05

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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.