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Finding the Fourth Proportional to 65,893.96, 90,935.22 and 37,602.28

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Solution

The fourth proportional to 65,893.96, 90,935.22 and 37,602.28 is: 51,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,893.96 : 90,935.22 = 37,602.28 : x
  2. Step 2: Convert to fraction form
    65,893.96/90,935.22 = 37,602.28/x
  3. Step 3: Cross multiply
    65,893.96x = 90,935.22 × 37,602.28
  4. Step 4: Simplify right side
    65,893.96x = 3,419,371,604.30
  5. Step 5: Solve for x
    x = 3,419,371,604.30/65,893.96
  6. Step 6: Final answer
    x = 51,892.03

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1.5x scale

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.