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Finding the Fourth Proportional to 15,904.55, 23,863.44 and 8,002.85

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Solution

The fourth proportional to 15,904.55, 23,863.44 and 8,002.85 is: 12,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.55 : 23,863.44 = 8,002.85 : x
  2. Step 2: Convert to fraction form
    15,904.55/23,863.44 = 8,002.85/x
  3. Step 3: Cross multiply
    15,904.55x = 23,863.44 × 8,002.85
  4. Step 4: Simplify right side
    15,904.55x = 190,975,530.80
  5. Step 5: Solve for x
    x = 190,975,530.80/15,904.55
  6. Step 6: Final answer
    x = 12,007.60

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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.