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Finding the Fourth Proportional to 4,493.99, 6,207.75 and 4,074.81

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Solution

The fourth proportional to 4,493.99, 6,207.75 and 4,074.81 is: 5,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493.99 : 6,207.75 = 4,074.81 : x
  2. Step 2: Convert to fraction form
    4,493.99/6,207.75 = 4,074.81/x
  3. Step 3: Cross multiply
    4,493.99x = 6,207.75 × 4,074.81
  4. Step 4: Simplify right side
    4,493.99x = 25,295,401.78
  5. Step 5: Solve for x
    x = 25,295,401.78/4,493.99
  6. Step 6: Final answer
    x = 5,628.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.