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Finding the Fourth Proportional to 65,410.52, 90,267.47 and 36,736.39

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Solution

The fourth proportional to 65,410.52, 90,267.47 and 36,736.39 is: 50,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,410.52 : 90,267.47 = 36,736.39 : x
  2. Step 2: Convert to fraction form
    65,410.52/90,267.47 = 36,736.39/x
  3. Step 3: Cross multiply
    65,410.52x = 90,267.47 × 36,736.39
  4. Step 4: Simplify right side
    65,410.52x = 3,316,100,572.88
  5. Step 5: Solve for x
    x = 3,316,100,572.88/65,410.52
  6. Step 6: Final answer
    x = 50,696.74

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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.