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Finding the Fourth Proportional to 7,984.04, 11,018.23 and 4,447.04

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Solution

The fourth proportional to 7,984.04, 11,018.23 and 4,447.04 is: 6,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.04 : 11,018.23 = 4,447.04 : x
  2. Step 2: Convert to fraction form
    7,984.04/11,018.23 = 4,447.04/x
  3. Step 3: Cross multiply
    7,984.04x = 11,018.23 × 4,447.04
  4. Step 4: Simplify right side
    7,984.04x = 48,998,443.33
  5. Step 5: Solve for x
    x = 48,998,443.33/7,984.04
  6. Step 6: Final answer
    x = 6,137.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.