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Finding the Fourth Proportional to 6,957.84, 10,440.95 and 3,839.88

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Solution

The fourth proportional to 6,957.84, 10,440.95 and 3,839.88 is: 5,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.84 : 10,440.95 = 3,839.88 : x
  2. Step 2: Convert to fraction form
    6,957.84/10,440.95 = 3,839.88/x
  3. Step 3: Cross multiply
    6,957.84x = 10,440.95 × 3,839.88
  4. Step 4: Simplify right side
    6,957.84x = 40,091,975.89
  5. Step 5: Solve for x
    x = 40,091,975.89/6,957.84
  6. Step 6: Final answer
    x = 5,762.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.