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Finding the Fourth Proportional to 9,613.58, 14,394.31 and 4,986.86

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Solution

The fourth proportional to 9,613.58, 14,394.31 and 4,986.86 is: 7,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.58 : 14,394.31 = 4,986.86 : x
  2. Step 2: Convert to fraction form
    9,613.58/14,394.31 = 4,986.86/x
  3. Step 3: Cross multiply
    9,613.58x = 14,394.31 × 4,986.86
  4. Step 4: Simplify right side
    9,613.58x = 71,782,324.33
  5. Step 5: Solve for x
    x = 71,782,324.33/9,613.58
  6. Step 6: Final answer
    x = 7,466.77

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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.