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Finding the Fourth Proportional to 2,903.56, 4,006.99 and 1,708.63

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Solution

The fourth proportional to 2,903.56, 4,006.99 and 1,708.63 is: 2,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.56 : 4,006.99 = 1,708.63 : x
  2. Step 2: Convert to fraction form
    2,903.56/4,006.99 = 1,708.63/x
  3. Step 3: Cross multiply
    2,903.56x = 4,006.99 × 1,708.63
  4. Step 4: Simplify right side
    2,903.56x = 6,846,463.32
  5. Step 5: Solve for x
    x = 6,846,463.32/2,903.56
  6. Step 6: Final answer
    x = 2,357.95

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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.