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Finding the Fourth Proportional to 10,011.94, 15,019.12 and 3,086.44

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Solution

The fourth proportional to 10,011.94, 15,019.12 and 3,086.44 is: 4,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.94 : 15,019.12 = 3,086.44 : x
  2. Step 2: Convert to fraction form
    10,011.94/15,019.12 = 3,086.44/x
  3. Step 3: Cross multiply
    10,011.94x = 15,019.12 × 3,086.44
  4. Step 4: Simplify right side
    10,011.94x = 46,355,579.04
  5. Step 5: Solve for x
    x = 46,355,579.04/10,011.94
  6. Step 6: Final answer
    x = 4,630.03

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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.