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Finding the Fourth Proportional to 13,174, 19,754.18 and 4,851.12

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Solution

The fourth proportional to 13,174, 19,754.18 and 4,851.12 is: 7,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174 : 19,754.18 = 4,851.12 : x
  2. Step 2: Convert to fraction form
    13,174/19,754.18 = 4,851.12/x
  3. Step 3: Cross multiply
    13,174x = 19,754.18 × 4,851.12
  4. Step 4: Simplify right side
    13,174x = 95,829,897.68
  5. Step 5: Solve for x
    x = 95,829,897.68/13,174
  6. Step 6: Final answer
    x = 7,274.17

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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.