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Finding the Fourth Proportional to 65,261.63, 90,062.89 and 36,967.32

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Solution

The fourth proportional to 65,261.63, 90,062.89 and 36,967.32 is: 51,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,261.63 : 90,062.89 = 36,967.32 : x
  2. Step 2: Convert to fraction form
    65,261.63/90,062.89 = 36,967.32/x
  3. Step 3: Cross multiply
    65,261.63x = 90,062.89 × 36,967.32
  4. Step 4: Simplify right side
    65,261.63x = 3,329,383,582.34
  5. Step 5: Solve for x
    x = 3,329,383,582.34/65,261.63
  6. Step 6: Final answer
    x = 51,015.94

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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.