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Finding the Fourth Proportional to 64,784.79, 97,190.24 and 27,344.90

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Solution

The fourth proportional to 64,784.79, 97,190.24 and 27,344.90 is: 41,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,784.79 : 97,190.24 = 27,344.90 : x
  2. Step 2: Convert to fraction form
    64,784.79/97,190.24 = 27,344.90/x
  3. Step 3: Cross multiply
    64,784.79x = 97,190.24 × 27,344.90
  4. Step 4: Simplify right side
    64,784.79x = 2,657,656,771.10
  5. Step 5: Solve for x
    x = 2,657,656,771.10/64,784.79
  6. Step 6: Final answer
    x = 41,022.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.