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Finding the Fourth Proportional to 4,524.81, 6,818.11 and 3,721.11

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Solution

The fourth proportional to 4,524.81, 6,818.11 and 3,721.11 is: 5,607.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,524.81 : 6,818.11 = 3,721.11 : x
  2. Step 2: Convert to fraction form
    4,524.81/6,818.11 = 3,721.11/x
  3. Step 3: Cross multiply
    4,524.81x = 6,818.11 × 3,721.11
  4. Step 4: Simplify right side
    4,524.81x = 25,370,903.21
  5. Step 5: Solve for x
    x = 25,370,903.21/4,524.81
  6. Step 6: Final answer
    x = 5,607.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.