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Finding the Fourth Proportional to 4,995.99, 6,895.41 and 3,108.42

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Solution

The fourth proportional to 4,995.99, 6,895.41 and 3,108.42 is: 4,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.99 : 6,895.41 = 3,108.42 : x
  2. Step 2: Convert to fraction form
    4,995.99/6,895.41 = 3,108.42/x
  3. Step 3: Cross multiply
    4,995.99x = 6,895.41 × 3,108.42
  4. Step 4: Simplify right side
    4,995.99x = 21,433,830.35
  5. Step 5: Solve for x
    x = 21,433,830.35/4,995.99
  6. Step 6: Final answer
    x = 4,290.21

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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.