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Finding the Fourth Proportional to 9,661.62, 14,486.19 and 3,085.62

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Solution

The fourth proportional to 9,661.62, 14,486.19 and 3,085.62 is: 4,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.62 : 14,486.19 = 3,085.62 : x
  2. Step 2: Convert to fraction form
    9,661.62/14,486.19 = 3,085.62/x
  3. Step 3: Cross multiply
    9,661.62x = 14,486.19 × 3,085.62
  4. Step 4: Simplify right side
    9,661.62x = 44,698,877.59
  5. Step 5: Solve for x
    x = 44,698,877.59/9,661.62
  6. Step 6: Final answer
    x = 4,626.44

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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.