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Finding the Fourth Proportional to 12,611.04, 18,923.04 and 5,595.86

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Solution

The fourth proportional to 12,611.04, 18,923.04 and 5,595.86 is: 8,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611.04 : 18,923.04 = 5,595.86 : x
  2. Step 2: Convert to fraction form
    12,611.04/18,923.04 = 5,595.86/x
  3. Step 3: Cross multiply
    12,611.04x = 18,923.04 × 5,595.86
  4. Step 4: Simplify right side
    12,611.04x = 105,890,682.61
  5. Step 5: Solve for x
    x = 105,890,682.61/12,611.04
  6. Step 6: Final answer
    x = 8,396.67

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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.