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Finding the Fourth Proportional to 8,596.40, 12,894.60 and 8,450.60

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Solution

The fourth proportional to 8,596.40, 12,894.60 and 8,450.60 is: 12,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.40 : 12,894.60 = 8,450.60 : x
  2. Step 2: Convert to fraction form
    8,596.40/12,894.60 = 8,450.60/x
  3. Step 3: Cross multiply
    8,596.40x = 12,894.60 × 8,450.60
  4. Step 4: Simplify right side
    8,596.40x = 108,967,106.76
  5. Step 5: Solve for x
    x = 108,967,106.76/8,596.40
  6. Step 6: Final answer
    x = 12,675.90

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Half scale
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Double scale
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Similar ratio
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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.