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Finding the Fourth Proportional to 2,369.68, 3,268.68 and 1,705.48

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Solution

The fourth proportional to 2,369.68, 3,268.68 and 1,705.48 is: 2,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.68 : 3,268.68 = 1,705.48 : x
  2. Step 2: Convert to fraction form
    2,369.68/3,268.68 = 1,705.48/x
  3. Step 3: Cross multiply
    2,369.68x = 3,268.68 × 1,705.48
  4. Step 4: Simplify right side
    2,369.68x = 5,574,668.37
  5. Step 5: Solve for x
    x = 5,574,668.37/2,369.68
  6. Step 6: Final answer
    x = 2,352.50

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1.5x scale

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.