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Finding the Fourth Proportional to 2,703.64, 3,730.94 and 1,508.66

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Solution

The fourth proportional to 2,703.64, 3,730.94 and 1,508.66 is: 2,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.64 : 3,730.94 = 1,508.66 : x
  2. Step 2: Convert to fraction form
    2,703.64/3,730.94 = 1,508.66/x
  3. Step 3: Cross multiply
    2,703.64x = 3,730.94 × 1,508.66
  4. Step 4: Simplify right side
    2,703.64x = 5,628,693.74
  5. Step 5: Solve for x
    x = 5,628,693.74/2,703.64
  6. Step 6: Final answer
    x = 2,081.90

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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.