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Finding the Fourth Proportional to 7,389.56, 10,194.54 and 5,152.76

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Solution

The fourth proportional to 7,389.56, 10,194.54 and 5,152.76 is: 7,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.56 : 10,194.54 = 5,152.76 : x
  2. Step 2: Convert to fraction form
    7,389.56/10,194.54 = 5,152.76/x
  3. Step 3: Cross multiply
    7,389.56x = 10,194.54 × 5,152.76
  4. Step 4: Simplify right side
    7,389.56x = 52,530,017.93
  5. Step 5: Solve for x
    x = 52,530,017.93/7,389.56
  6. Step 6: Final answer
    x = 7,108.68

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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.