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Finding the Fourth Proportional to 4,859.96, 7,291.76 and 2,913.56

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Solution

The fourth proportional to 4,859.96, 7,291.76 and 2,913.56 is: 4,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.96 : 7,291.76 = 2,913.56 : x
  2. Step 2: Convert to fraction form
    4,859.96/7,291.76 = 2,913.56/x
  3. Step 3: Cross multiply
    4,859.96x = 7,291.76 × 2,913.56
  4. Step 4: Simplify right side
    4,859.96x = 21,244,980.27
  5. Step 5: Solve for x
    x = 21,244,980.27/4,859.96
  6. Step 6: Final answer
    x = 4,371.43

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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.