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Finding the Fourth Proportional to 7,144.17, 9,851.87 and 4,347.93

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Solution

The fourth proportional to 7,144.17, 9,851.87 and 4,347.93 is: 5,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.17 : 9,851.87 = 4,347.93 : x
  2. Step 2: Convert to fraction form
    7,144.17/9,851.87 = 4,347.93/x
  3. Step 3: Cross multiply
    7,144.17x = 9,851.87 × 4,347.93
  4. Step 4: Simplify right side
    7,144.17x = 42,835,219.39
  5. Step 5: Solve for x
    x = 42,835,219.39/7,144.17
  6. Step 6: Final answer
    x = 5,995.83

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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.