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Finding the Fourth Proportional to 6,617.98, 9,927.20 and 3,329.28

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Solution

The fourth proportional to 6,617.98, 9,927.20 and 3,329.28 is: 4,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.98 : 9,927.20 = 3,329.28 : x
  2. Step 2: Convert to fraction form
    6,617.98/9,927.20 = 3,329.28/x
  3. Step 3: Cross multiply
    6,617.98x = 9,927.20 × 3,329.28
  4. Step 4: Simplify right side
    6,617.98x = 33,050,436.74
  5. Step 5: Solve for x
    x = 33,050,436.74/6,617.98
  6. Step 6: Final answer
    x = 4,994.04

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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.