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Finding the Fourth Proportional to 65,805.27, 98,707.91 and 15,885.33

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Solution

The fourth proportional to 65,805.27, 98,707.91 and 15,885.33 is: 23,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,805.27 : 98,707.91 = 15,885.33 : x
  2. Step 2: Convert to fraction form
    65,805.27/98,707.91 = 15,885.33/x
  3. Step 3: Cross multiply
    65,805.27x = 98,707.91 × 15,885.33
  4. Step 4: Simplify right side
    65,805.27x = 1,568,007,644.53
  5. Step 5: Solve for x
    x = 1,568,007,644.53/65,805.27
  6. Step 6: Final answer
    x = 23,828.00

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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.