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Finding the Fourth Proportional to 6,617.68, 9,925.08 and 3,329.80

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Solution

The fourth proportional to 6,617.68, 9,925.08 and 3,329.80 is: 4,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.68 : 9,925.08 = 3,329.80 : x
  2. Step 2: Convert to fraction form
    6,617.68/9,925.08 = 3,329.80/x
  3. Step 3: Cross multiply
    6,617.68x = 9,925.08 × 3,329.80
  4. Step 4: Simplify right side
    6,617.68x = 33,048,531.38
  5. Step 5: Solve for x
    x = 33,048,531.38/6,617.68
  6. Step 6: Final answer
    x = 4,993.98

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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.