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Finding the Fourth Proportional to 9,243.65, 13,865.04 and 3,695.49

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Solution

The fourth proportional to 9,243.65, 13,865.04 and 3,695.49 is: 5,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.65 : 13,865.04 = 3,695.49 : x
  2. Step 2: Convert to fraction form
    9,243.65/13,865.04 = 3,695.49/x
  3. Step 3: Cross multiply
    9,243.65x = 13,865.04 × 3,695.49
  4. Step 4: Simplify right side
    9,243.65x = 51,238,116.67
  5. Step 5: Solve for x
    x = 51,238,116.67/9,243.65
  6. Step 6: Final answer
    x = 5,543.06

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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.