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Finding the Fourth Proportional to 4,336.65, 6,505.79 and 1,739.79

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Solution

The fourth proportional to 4,336.65, 6,505.79 and 1,739.79 is: 2,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,336.65 : 6,505.79 = 1,739.79 : x
  2. Step 2: Convert to fraction form
    4,336.65/6,505.79 = 1,739.79/x
  3. Step 3: Cross multiply
    4,336.65x = 6,505.79 × 1,739.79
  4. Step 4: Simplify right side
    4,336.65x = 11,318,699.69
  5. Step 5: Solve for x
    x = 11,318,699.69/4,336.65
  6. Step 6: Final answer
    x = 2,610.01

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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.