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Finding the Fourth Proportional to 6,653.54, 9,980.96 and 3,364.54

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Solution

The fourth proportional to 6,653.54, 9,980.96 and 3,364.54 is: 5,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.54 : 9,980.96 = 3,364.54 : x
  2. Step 2: Convert to fraction form
    6,653.54/9,980.96 = 3,364.54/x
  3. Step 3: Cross multiply
    6,653.54x = 9,980.96 × 3,364.54
  4. Step 4: Simplify right side
    6,653.54x = 33,581,297.38
  5. Step 5: Solve for x
    x = 33,581,297.38/6,653.54
  6. Step 6: Final answer
    x = 5,047.13

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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.