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Finding the Fourth Proportional to 6,228.42, 9,342.60 and 2,124.42

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Solution

The fourth proportional to 6,228.42, 9,342.60 and 2,124.42 is: 3,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228.42 : 9,342.60 = 2,124.42 : x
  2. Step 2: Convert to fraction form
    6,228.42/9,342.60 = 2,124.42/x
  3. Step 3: Cross multiply
    6,228.42x = 9,342.60 × 2,124.42
  4. Step 4: Simplify right side
    6,228.42x = 19,847,606.29
  5. Step 5: Solve for x
    x = 19,847,606.29/6,228.42
  6. Step 6: Final answer
    x = 3,186.62

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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.