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Finding the Fourth Proportional to 1,852.92, 2,556.90 and 1,066.68

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Solution

The fourth proportional to 1,852.92, 2,556.90 and 1,066.68 is: 1,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.92 : 2,556.90 = 1,066.68 : x
  2. Step 2: Convert to fraction form
    1,852.92/2,556.90 = 1,066.68/x
  3. Step 3: Cross multiply
    1,852.92x = 2,556.90 × 1,066.68
  4. Step 4: Simplify right side
    1,852.92x = 2,727,394.09
  5. Step 5: Solve for x
    x = 2,727,394.09/1,852.92
  6. Step 6: Final answer
    x = 1,471.94

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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.