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Finding the Fourth Proportional to 4,842.81, 7,265.40 and 1,556.22

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Solution

The fourth proportional to 4,842.81, 7,265.40 and 1,556.22 is: 2,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.81 : 7,265.40 = 1,556.22 : x
  2. Step 2: Convert to fraction form
    4,842.81/7,265.40 = 1,556.22/x
  3. Step 3: Cross multiply
    4,842.81x = 7,265.40 × 1,556.22
  4. Step 4: Simplify right side
    4,842.81x = 11,306,560.79
  5. Step 5: Solve for x
    x = 11,306,560.79/4,842.81
  6. Step 6: Final answer
    x = 2,334.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.