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Finding the Fourth Proportional to 65,850.50, 98,752.38 and 23,719.28

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Solution

The fourth proportional to 65,850.50, 98,752.38 and 23,719.28 is: 35,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,850.50 : 98,752.38 = 23,719.28 : x
  2. Step 2: Convert to fraction form
    65,850.50/98,752.38 = 23,719.28/x
  3. Step 3: Cross multiply
    65,850.50x = 98,752.38 × 23,719.28
  4. Step 4: Simplify right side
    65,850.50x = 2,342,335,351.89
  5. Step 5: Solve for x
    x = 2,342,335,351.89/65,850.50
  6. Step 6: Final answer
    x = 35,570.50

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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.