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Finding the Fourth Proportional to 17,955.34, 26,939.49 and 6,270.28

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Solution

The fourth proportional to 17,955.34, 26,939.49 and 6,270.28 is: 9,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.34 : 26,939.49 = 6,270.28 : x
  2. Step 2: Convert to fraction form
    17,955.34/26,939.49 = 6,270.28/x
  3. Step 3: Cross multiply
    17,955.34x = 26,939.49 × 6,270.28
  4. Step 4: Simplify right side
    17,955.34x = 168,918,145.36
  5. Step 5: Solve for x
    x = 168,918,145.36/17,955.34
  6. Step 6: Final answer
    x = 9,407.68

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1.5x scale

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.