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Finding the Fourth Proportional to 28,873.92, 43,312.50 and 8,099.04

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Solution

The fourth proportional to 28,873.92, 43,312.50 and 8,099.04 is: 12,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.92 : 43,312.50 = 8,099.04 : x
  2. Step 2: Convert to fraction form
    28,873.92/43,312.50 = 8,099.04/x
  3. Step 3: Cross multiply
    28,873.92x = 43,312.50 × 8,099.04
  4. Step 4: Simplify right side
    28,873.92x = 350,789,670
  5. Step 5: Solve for x
    x = 350,789,670/28,873.92
  6. Step 6: Final answer
    x = 12,149.01

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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.