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Finding the Fourth Proportional to 65,895.36, 98,859.36 and 19,148.64

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Solution

The fourth proportional to 65,895.36, 98,859.36 and 19,148.64 is: 28,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,895.36 : 98,859.36 = 19,148.64 : x
  2. Step 2: Convert to fraction form
    65,895.36/98,859.36 = 19,148.64/x
  3. Step 3: Cross multiply
    65,895.36x = 98,859.36 × 19,148.64
  4. Step 4: Simplify right side
    65,895.36x = 1,893,022,295.27
  5. Step 5: Solve for x
    x = 1,893,022,295.27/65,895.36
  6. Step 6: Final answer
    x = 28,727.70

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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.