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Finding the Fourth Proportional to 65,679.35, 98,539.70 and 23,530.71

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Solution

The fourth proportional to 65,679.35, 98,539.70 and 23,530.71 is: 35,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,679.35 : 98,539.70 = 23,530.71 : x
  2. Step 2: Convert to fraction form
    65,679.35/98,539.70 = 23,530.71/x
  3. Step 3: Cross multiply
    65,679.35x = 98,539.70 × 23,530.71
  4. Step 4: Simplify right side
    65,679.35x = 2,318,708,986.53
  5. Step 5: Solve for x
    x = 2,318,708,986.53/65,679.35
  6. Step 6: Final answer
    x = 35,303.47

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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.