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Finding the Fourth Proportional to 9,360.90, 14,060 and 5,857.12

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Solution

The fourth proportional to 9,360.90, 14,060 and 5,857.12 is: 8,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.90 : 14,060 = 5,857.12 : x
  2. Step 2: Convert to fraction form
    9,360.90/14,060 = 5,857.12/x
  3. Step 3: Cross multiply
    9,360.90x = 14,060 × 5,857.12
  4. Step 4: Simplify right side
    9,360.90x = 82,351,107.20
  5. Step 5: Solve for x
    x = 82,351,107.20/9,360.90
  6. Step 6: Final answer
    x = 8,797.35

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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.