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Finding the Fourth Proportional to 65,028.96, 89,735.04 and 36,737.28

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Solution

The fourth proportional to 65,028.96, 89,735.04 and 36,737.28 is: 50,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,028.96 : 89,735.04 = 36,737.28 : x
  2. Step 2: Convert to fraction form
    65,028.96/89,735.04 = 36,737.28/x
  3. Step 3: Cross multiply
    65,028.96x = 89,735.04 × 36,737.28
  4. Step 4: Simplify right side
    65,028.96x = 3,296,621,290.29
  5. Step 5: Solve for x
    x = 3,296,621,290.29/65,028.96
  6. Step 6: Final answer
    x = 50,694.66

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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.