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Finding the Fourth Proportional to 9,660.22, 14,489.11 and 3,085.86

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Solution

The fourth proportional to 9,660.22, 14,489.11 and 3,085.86 is: 4,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.22 : 14,489.11 = 3,085.86 : x
  2. Step 2: Convert to fraction form
    9,660.22/14,489.11 = 3,085.86/x
  3. Step 3: Cross multiply
    9,660.22x = 14,489.11 × 3,085.86
  4. Step 4: Simplify right side
    9,660.22x = 44,711,364.98
  5. Step 5: Solve for x
    x = 44,711,364.98/9,660.22
  6. Step 6: Final answer
    x = 4,628.40

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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.