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Finding the Fourth Proportional to 6,283.85, 9,412.07 and 2,986.92

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Solution

The fourth proportional to 6,283.85, 9,412.07 and 2,986.92 is: 4,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.85 : 9,412.07 = 2,986.92 : x
  2. Step 2: Convert to fraction form
    6,283.85/9,412.07 = 2,986.92/x
  3. Step 3: Cross multiply
    6,283.85x = 9,412.07 × 2,986.92
  4. Step 4: Simplify right side
    6,283.85x = 28,113,085.19
  5. Step 5: Solve for x
    x = 28,113,085.19/6,283.85
  6. Step 6: Final answer
    x = 4,473.87

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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.