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Finding the Fourth Proportional to 4,762.87, 7,148.92 and 2,299.42

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Solution

The fourth proportional to 4,762.87, 7,148.92 and 2,299.42 is: 3,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.87 : 7,148.92 = 2,299.42 : x
  2. Step 2: Convert to fraction form
    4,762.87/7,148.92 = 2,299.42/x
  3. Step 3: Cross multiply
    4,762.87x = 7,148.92 × 2,299.42
  4. Step 4: Simplify right side
    4,762.87x = 16,438,350.55
  5. Step 5: Solve for x
    x = 16,438,350.55/4,762.87
  6. Step 6: Final answer
    x = 3,451.35

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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.