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Finding the Fourth Proportional to 4,868.09, 7,296.92 and 3,477.21

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Solution

The fourth proportional to 4,868.09, 7,296.92 and 3,477.21 is: 5,212.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.09 : 7,296.92 = 3,477.21 : x
  2. Step 2: Convert to fraction form
    4,868.09/7,296.92 = 3,477.21/x
  3. Step 3: Cross multiply
    4,868.09x = 7,296.92 × 3,477.21
  4. Step 4: Simplify right side
    4,868.09x = 25,372,931.89
  5. Step 5: Solve for x
    x = 25,372,931.89/4,868.09
  6. Step 6: Final answer
    x = 5,212.09

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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.