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Finding the Fourth Proportional to 43,410.66, 64,937.78 and 34,662.66

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Solution

The fourth proportional to 43,410.66, 64,937.78 and 34,662.66 is: 51,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,410.66 : 64,937.78 = 34,662.66 : x
  2. Step 2: Convert to fraction form
    43,410.66/64,937.78 = 34,662.66/x
  3. Step 3: Cross multiply
    43,410.66x = 64,937.78 × 34,662.66
  4. Step 4: Simplify right side
    43,410.66x = 2,250,916,189.29
  5. Step 5: Solve for x
    x = 2,250,916,189.29/43,410.66
  6. Step 6: Final answer
    x = 51,851.69

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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.