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Finding the Fourth Proportional to 7,928.01, 11,894.58 and 2,998.08

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Solution

The fourth proportional to 7,928.01, 11,894.58 and 2,998.08 is: 4,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.01 : 11,894.58 = 2,998.08 : x
  2. Step 2: Convert to fraction form
    7,928.01/11,894.58 = 2,998.08/x
  3. Step 3: Cross multiply
    7,928.01x = 11,894.58 × 2,998.08
  4. Step 4: Simplify right side
    7,928.01x = 35,660,902.41
  5. Step 5: Solve for x
    x = 35,660,902.41/7,928.01
  6. Step 6: Final answer
    x = 4,498.09

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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.