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Finding the Fourth Proportional to 1,695.16, 2,339.04 and 996.67

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Solution

The fourth proportional to 1,695.16, 2,339.04 and 996.67 is: 1,375.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.16 : 2,339.04 = 996.67 : x
  2. Step 2: Convert to fraction form
    1,695.16/2,339.04 = 996.67/x
  3. Step 3: Cross multiply
    1,695.16x = 2,339.04 × 996.67
  4. Step 4: Simplify right side
    1,695.16x = 2,331,251.00
  5. Step 5: Solve for x
    x = 2,331,251.00/1,695.16
  6. Step 6: Final answer
    x = 1,375.24

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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.