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Finding the Fourth Proportional to 61,994.64, 85,561.96 and 37,809.64

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Solution

The fourth proportional to 61,994.64, 85,561.96 and 37,809.64 is: 52,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,994.64 : 85,561.96 = 37,809.64 : x
  2. Step 2: Convert to fraction form
    61,994.64/85,561.96 = 37,809.64/x
  3. Step 3: Cross multiply
    61,994.64x = 85,561.96 × 37,809.64
  4. Step 4: Simplify right side
    61,994.64x = 3,235,066,905.29
  5. Step 5: Solve for x
    x = 3,235,066,905.29/61,994.64
  6. Step 6: Final answer
    x = 52,183.01

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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.