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Finding the Fourth Proportional to 4,931.08, 7,396.54 and 1,468.20

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Solution

The fourth proportional to 4,931.08, 7,396.54 and 1,468.20 is: 2,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.08 : 7,396.54 = 1,468.20 : x
  2. Step 2: Convert to fraction form
    4,931.08/7,396.54 = 1,468.20/x
  3. Step 3: Cross multiply
    4,931.08x = 7,396.54 × 1,468.20
  4. Step 4: Simplify right side
    4,931.08x = 10,859,600.03
  5. Step 5: Solve for x
    x = 10,859,600.03/4,931.08
  6. Step 6: Final answer
    x = 2,202.28

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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.