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Finding the Fourth Proportional to 2,609.94, 3,602.06 and 1,490.62

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Solution

The fourth proportional to 2,609.94, 3,602.06 and 1,490.62 is: 2,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.94 : 3,602.06 = 1,490.62 : x
  2. Step 2: Convert to fraction form
    2,609.94/3,602.06 = 1,490.62/x
  3. Step 3: Cross multiply
    2,609.94x = 3,602.06 × 1,490.62
  4. Step 4: Simplify right side
    2,609.94x = 5,369,302.68
  5. Step 5: Solve for x
    x = 5,369,302.68/2,609.94
  6. Step 6: Final answer
    x = 2,057.25

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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.