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Finding the Fourth Proportional to 17,957.11, 26,935.80 and 6,270.34

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Solution

The fourth proportional to 17,957.11, 26,935.80 and 6,270.34 is: 9,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.11 : 26,935.80 = 6,270.34 : x
  2. Step 2: Convert to fraction form
    17,957.11/26,935.80 = 6,270.34/x
  3. Step 3: Cross multiply
    17,957.11x = 26,935.80 × 6,270.34
  4. Step 4: Simplify right side
    17,957.11x = 168,896,624.17
  5. Step 5: Solve for x
    x = 168,896,624.17/17,957.11
  6. Step 6: Final answer
    x = 9,405.56

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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.