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Finding the Fourth Proportional to 65,243.65, 97,865.49 and 18,496.93

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Solution

The fourth proportional to 65,243.65, 97,865.49 and 18,496.93 is: 27,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,243.65 : 97,865.49 = 18,496.93 : x
  2. Step 2: Convert to fraction form
    65,243.65/97,865.49 = 18,496.93/x
  3. Step 3: Cross multiply
    65,243.65x = 97,865.49 × 18,496.93
  4. Step 4: Simplify right side
    65,243.65x = 1,810,211,117.95
  5. Step 5: Solve for x
    x = 1,810,211,117.95/65,243.65
  6. Step 6: Final answer
    x = 27,745.40

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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.