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Finding the Fourth Proportional to 6,168.99, 8,518.05 and 4,045.98

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Solution

The fourth proportional to 6,168.99, 8,518.05 and 4,045.98 is: 5,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.99 : 8,518.05 = 4,045.98 : x
  2. Step 2: Convert to fraction form
    6,168.99/8,518.05 = 4,045.98/x
  3. Step 3: Cross multiply
    6,168.99x = 8,518.05 × 4,045.98
  4. Step 4: Simplify right side
    6,168.99x = 34,463,859.94
  5. Step 5: Solve for x
    x = 34,463,859.94/6,168.99
  6. Step 6: Final answer
    x = 5,586.63

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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.