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Finding the Fourth Proportional to 17,900.71, 26,849.00 and 4,754.14

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Solution

The fourth proportional to 17,900.71, 26,849.00 and 4,754.14 is: 7,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,900.71 : 26,849.00 = 4,754.14 : x
  2. Step 2: Convert to fraction form
    17,900.71/26,849.00 = 4,754.14/x
  3. Step 3: Cross multiply
    17,900.71x = 26,849.00 × 4,754.14
  4. Step 4: Simplify right side
    17,900.71x = 127,643,849.62
  5. Step 5: Solve for x
    x = 127,643,849.62/17,900.71
  6. Step 6: Final answer
    x = 7,130.66

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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.