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Finding the Fourth Proportional to 9,668.56, 13,337.86 and 6,309.82

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Solution

The fourth proportional to 9,668.56, 13,337.86 and 6,309.82 is: 8,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668.56 : 13,337.86 = 6,309.82 : x
  2. Step 2: Convert to fraction form
    9,668.56/13,337.86 = 6,309.82/x
  3. Step 3: Cross multiply
    9,668.56x = 13,337.86 × 6,309.82
  4. Step 4: Simplify right side
    9,668.56x = 84,159,446.67
  5. Step 5: Solve for x
    x = 84,159,446.67/9,668.56
  6. Step 6: Final answer
    x = 8,704.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.