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Finding the Fourth Proportional to 65,958.50, 98,937.76 and 16,710.50

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Solution

The fourth proportional to 65,958.50, 98,937.76 and 16,710.50 is: 25,065.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,958.50 : 98,937.76 = 16,710.50 : x
  2. Step 2: Convert to fraction form
    65,958.50/98,937.76 = 16,710.50/x
  3. Step 3: Cross multiply
    65,958.50x = 98,937.76 × 16,710.50
  4. Step 4: Simplify right side
    65,958.50x = 1,653,299,438.48
  5. Step 5: Solve for x
    x = 1,653,299,438.48/65,958.50
  6. Step 6: Final answer
    x = 25,065.75

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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.