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Finding the Fourth Proportional to 7,373.07, 10,174.79 and 4,015.88

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Solution

The fourth proportional to 7,373.07, 10,174.79 and 4,015.88 is: 5,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.07 : 10,174.79 = 4,015.88 : x
  2. Step 2: Convert to fraction form
    7,373.07/10,174.79 = 4,015.88/x
  3. Step 3: Cross multiply
    7,373.07x = 10,174.79 × 4,015.88
  4. Step 4: Simplify right side
    7,373.07x = 40,860,664.71
  5. Step 5: Solve for x
    x = 40,860,664.71/7,373.07
  6. Step 6: Final answer
    x = 5,541.88

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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.