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Finding the Fourth Proportional to 65,889.68, 90,927.63 and 35,675.03

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Solution

The fourth proportional to 65,889.68, 90,927.63 and 35,675.03 is: 49,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,889.68 : 90,927.63 = 35,675.03 : x
  2. Step 2: Convert to fraction form
    65,889.68/90,927.63 = 35,675.03/x
  3. Step 3: Cross multiply
    65,889.68x = 90,927.63 × 35,675.03
  4. Step 4: Simplify right side
    65,889.68x = 3,243,845,473.44
  5. Step 5: Solve for x
    x = 3,243,845,473.44/65,889.68
  6. Step 6: Final answer
    x = 49,231.47

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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.