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Finding the Fourth Proportional to 17,901.23, 26,849.78 and 4,754.63

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Solution

The fourth proportional to 17,901.23, 26,849.78 and 4,754.63 is: 7,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,901.23 : 26,849.78 = 4,754.63 : x
  2. Step 2: Convert to fraction form
    17,901.23/26,849.78 = 4,754.63/x
  3. Step 3: Cross multiply
    17,901.23x = 26,849.78 × 4,754.63
  4. Step 4: Simplify right side
    17,901.23x = 127,660,769.48
  5. Step 5: Solve for x
    x = 127,660,769.48/17,901.23
  6. Step 6: Final answer
    x = 7,131.40

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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.