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Finding the Fourth Proportional to 17,957.16, 26,948.05 and 6,270.38

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Solution

The fourth proportional to 17,957.16, 26,948.05 and 6,270.38 is: 9,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.16 : 26,948.05 = 6,270.38 : x
  2. Step 2: Convert to fraction form
    17,957.16/26,948.05 = 6,270.38/x
  3. Step 3: Cross multiply
    17,957.16x = 26,948.05 × 6,270.38
  4. Step 4: Simplify right side
    17,957.16x = 168,974,464.40
  5. Step 5: Solve for x
    x = 168,974,464.40/17,957.16
  6. Step 6: Final answer
    x = 9,409.87

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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.