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Finding the Fourth Proportional to 65,890.84, 98,850.84 and 36,293.44

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Solution

The fourth proportional to 65,890.84, 98,850.84 and 36,293.44 is: 54,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,890.84 : 98,850.84 = 36,293.44 : x
  2. Step 2: Convert to fraction form
    65,890.84/98,850.84 = 36,293.44/x
  3. Step 3: Cross multiply
    65,890.84x = 98,850.84 × 36,293.44
  4. Step 4: Simplify right side
    65,890.84x = 3,587,637,030.49
  5. Step 5: Solve for x
    x = 3,587,637,030.49/65,890.84
  6. Step 6: Final answer
    x = 54,448.19

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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.