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Finding the Fourth Proportional to 3,658.49, 5,048.34 and 2,064.99

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Solution

The fourth proportional to 3,658.49, 5,048.34 and 2,064.99 is: 2,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.49 : 5,048.34 = 2,064.99 : x
  2. Step 2: Convert to fraction form
    3,658.49/5,048.34 = 2,064.99/x
  3. Step 3: Cross multiply
    3,658.49x = 5,048.34 × 2,064.99
  4. Step 4: Simplify right side
    3,658.49x = 10,424,771.62
  5. Step 5: Solve for x
    x = 10,424,771.62/3,658.49
  6. Step 6: Final answer
    x = 2,849.48

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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.