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Finding the Fourth Proportional to 65,473.82, 98,016.98 and 40,433.38

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Solution

The fourth proportional to 65,473.82, 98,016.98 and 40,433.38 is: 60,530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,473.82 : 98,016.98 = 40,433.38 : x
  2. Step 2: Convert to fraction form
    65,473.82/98,016.98 = 40,433.38/x
  3. Step 3: Cross multiply
    65,473.82x = 98,016.98 × 40,433.38
  4. Step 4: Simplify right side
    65,473.82x = 3,963,157,798.79
  5. Step 5: Solve for x
    x = 3,963,157,798.79/65,473.82
  6. Step 6: Final answer
    x = 60,530.42

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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.