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Finding the Fourth Proportional to 65,593.65, 98,391.06 and 18,846.51

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Solution

The fourth proportional to 65,593.65, 98,391.06 and 18,846.51 is: 28,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,593.65 : 98,391.06 = 18,846.51 : x
  2. Step 2: Convert to fraction form
    65,593.65/98,391.06 = 18,846.51/x
  3. Step 3: Cross multiply
    65,593.65x = 98,391.06 × 18,846.51
  4. Step 4: Simplify right side
    65,593.65x = 1,854,328,096.20
  5. Step 5: Solve for x
    x = 1,854,328,096.20/65,593.65
  6. Step 6: Final answer
    x = 28,269.93

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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.