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Finding the Fourth Proportional to 65,852.98, 90,876.42 and 35,637.64

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Solution

The fourth proportional to 65,852.98, 90,876.42 and 35,637.64 is: 49,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,852.98 : 90,876.42 = 35,637.64 : x
  2. Step 2: Convert to fraction form
    65,852.98/90,876.42 = 35,637.64/x
  3. Step 3: Cross multiply
    65,852.98x = 90,876.42 × 35,637.64
  4. Step 4: Simplify right side
    65,852.98x = 3,238,621,140.45
  5. Step 5: Solve for x
    x = 3,238,621,140.45/65,852.98
  6. Step 6: Final answer
    x = 49,179.57

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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.