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Finding the Fourth Proportional to 28,544.99, 42,817.50 and 8,823.11

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Solution

The fourth proportional to 28,544.99, 42,817.50 and 8,823.11 is: 13,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.99 : 42,817.50 = 8,823.11 : x
  2. Step 2: Convert to fraction form
    28,544.99/42,817.50 = 8,823.11/x
  3. Step 3: Cross multiply
    28,544.99x = 42,817.50 × 8,823.11
  4. Step 4: Simplify right side
    28,544.99x = 377,783,298.34
  5. Step 5: Solve for x
    x = 377,783,298.34/28,544.99
  6. Step 6: Final answer
    x = 13,234.66

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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.