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Finding the Fourth Proportional to 1,935.68, 2,675.04 and 1,719.68

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Solution

The fourth proportional to 1,935.68, 2,675.04 and 1,719.68 is: 2,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.68 : 2,675.04 = 1,719.68 : x
  2. Step 2: Convert to fraction form
    1,935.68/2,675.04 = 1,719.68/x
  3. Step 3: Cross multiply
    1,935.68x = 2,675.04 × 1,719.68
  4. Step 4: Simplify right side
    1,935.68x = 4,600,212.79
  5. Step 5: Solve for x
    x = 4,600,212.79/1,935.68
  6. Step 6: Final answer
    x = 2,376.54

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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.