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Finding the Fourth Proportional to 7,943.46, 10,957.02 and 5,114.52

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Solution

The fourth proportional to 7,943.46, 10,957.02 and 5,114.52 is: 7,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.46 : 10,957.02 = 5,114.52 : x
  2. Step 2: Convert to fraction form
    7,943.46/10,957.02 = 5,114.52/x
  3. Step 3: Cross multiply
    7,943.46x = 10,957.02 × 5,114.52
  4. Step 4: Simplify right side
    7,943.46x = 56,039,897.93
  5. Step 5: Solve for x
    x = 56,039,897.93/7,943.46
  6. Step 6: Final answer
    x = 7,054.85

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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.