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Finding the Fourth Proportional to 65,665.84, 98,459.88 and 26,241.52

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Solution

The fourth proportional to 65,665.84, 98,459.88 and 26,241.52 is: 39,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,665.84 : 98,459.88 = 26,241.52 : x
  2. Step 2: Convert to fraction form
    65,665.84/98,459.88 = 26,241.52/x
  3. Step 3: Cross multiply
    65,665.84x = 98,459.88 × 26,241.52
  4. Step 4: Simplify right side
    65,665.84x = 2,583,736,910.22
  5. Step 5: Solve for x
    x = 2,583,736,910.22/65,665.84
  6. Step 6: Final answer
    x = 39,346.74

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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.