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Finding the Fourth Proportional to 2,932.61, 4,047.03 and 1,606.37

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Solution

The fourth proportional to 2,932.61, 4,047.03 and 1,606.37 is: 2,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.61 : 4,047.03 = 1,606.37 : x
  2. Step 2: Convert to fraction form
    2,932.61/4,047.03 = 1,606.37/x
  3. Step 3: Cross multiply
    2,932.61x = 4,047.03 × 1,606.37
  4. Step 4: Simplify right side
    2,932.61x = 6,501,007.35
  5. Step 5: Solve for x
    x = 6,501,007.35/2,932.61
  6. Step 6: Final answer
    x = 2,216.80

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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.