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Finding the Fourth Proportional to 1,852.74, 2,556.77 and 1,066.79

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Solution

The fourth proportional to 1,852.74, 2,556.77 and 1,066.79 is: 1,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.74 : 2,556.77 = 1,066.79 : x
  2. Step 2: Convert to fraction form
    1,852.74/2,556.77 = 1,066.79/x
  3. Step 3: Cross multiply
    1,852.74x = 2,556.77 × 1,066.79
  4. Step 4: Simplify right side
    1,852.74x = 2,727,537.73
  5. Step 5: Solve for x
    x = 2,727,537.73/1,852.74
  6. Step 6: Final answer
    x = 1,472.16

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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.