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Finding the Fourth Proportional to 9,371.70, 14,061.60 and 4,754.70

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Solution

The fourth proportional to 9,371.70, 14,061.60 and 4,754.70 is: 7,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.70 : 14,061.60 = 4,754.70 : x
  2. Step 2: Convert to fraction form
    9,371.70/14,061.60 = 4,754.70/x
  3. Step 3: Cross multiply
    9,371.70x = 14,061.60 × 4,754.70
  4. Step 4: Simplify right side
    9,371.70x = 66,858,689.52
  5. Step 5: Solve for x
    x = 66,858,689.52/9,371.70
  6. Step 6: Final answer
    x = 7,134.10

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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.