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Finding the Fourth Proportional to 9,469.82, 13,068.38 and 5,695.15

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Solution

The fourth proportional to 9,469.82, 13,068.38 and 5,695.15 is: 7,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469.82 : 13,068.38 = 5,695.15 : x
  2. Step 2: Convert to fraction form
    9,469.82/13,068.38 = 5,695.15/x
  3. Step 3: Cross multiply
    9,469.82x = 13,068.38 × 5,695.15
  4. Step 4: Simplify right side
    9,469.82x = 74,426,384.36
  5. Step 5: Solve for x
    x = 74,426,384.36/9,469.82
  6. Step 6: Final answer
    x = 7,859.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.