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Finding the Fourth Proportional to 6,682.40, 10,030.80 and 3,766.40

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Solution

The fourth proportional to 6,682.40, 10,030.80 and 3,766.40 is: 5,653.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,682.40 : 10,030.80 = 3,766.40 : x
  2. Step 2: Convert to fraction form
    6,682.40/10,030.80 = 3,766.40/x
  3. Step 3: Cross multiply
    6,682.40x = 10,030.80 × 3,766.40
  4. Step 4: Simplify right side
    6,682.40x = 37,780,005.12
  5. Step 5: Solve for x
    x = 37,780,005.12/6,682.40
  6. Step 6: Final answer
    x = 5,653.66

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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.