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Finding the Fourth Proportional to 65,923.92, 98,885.91 and 18,544.05

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Solution

The fourth proportional to 65,923.92, 98,885.91 and 18,544.05 is: 27,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,923.92 : 98,885.91 = 18,544.05 : x
  2. Step 2: Convert to fraction form
    65,923.92/98,885.91 = 18,544.05/x
  3. Step 3: Cross multiply
    65,923.92x = 98,885.91 × 18,544.05
  4. Step 4: Simplify right side
    65,923.92x = 1,833,745,259.34
  5. Step 5: Solve for x
    x = 1,833,745,259.34/65,923.92
  6. Step 6: Final answer
    x = 27,816.08

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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.