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Finding the Fourth Proportional to 65,038.58, 89,753.04 and 36,744.26

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Solution

The fourth proportional to 65,038.58, 89,753.04 and 36,744.26 is: 50,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,038.58 : 89,753.04 = 36,744.26 : x
  2. Step 2: Convert to fraction form
    65,038.58/89,753.04 = 36,744.26/x
  3. Step 3: Cross multiply
    65,038.58x = 89,753.04 × 36,744.26
  4. Step 4: Simplify right side
    65,038.58x = 3,297,909,037.55
  5. Step 5: Solve for x
    x = 3,297,909,037.55/65,038.58
  6. Step 6: Final answer
    x = 50,706.97

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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.