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Finding the Fourth Proportional to 65,852.67, 90,876.68 and 35,637.99

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Solution

The fourth proportional to 65,852.67, 90,876.68 and 35,637.99 is: 49,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,852.67 : 90,876.68 = 35,637.99 : x
  2. Step 2: Convert to fraction form
    65,852.67/90,876.68 = 35,637.99/x
  3. Step 3: Cross multiply
    65,852.67x = 90,876.68 × 35,637.99
  4. Step 4: Simplify right side
    65,852.67x = 3,238,661,580.50
  5. Step 5: Solve for x
    x = 3,238,661,580.50/65,852.67
  6. Step 6: Final answer
    x = 49,180.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.