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Finding the Fourth Proportional to 7,914.72, 11,873.72 and 2,367.84

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Solution

The fourth proportional to 7,914.72, 11,873.72 and 2,367.84 is: 3,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.72 : 11,873.72 = 2,367.84 : x
  2. Step 2: Convert to fraction form
    7,914.72/11,873.72 = 2,367.84/x
  3. Step 3: Cross multiply
    7,914.72x = 11,873.72 × 2,367.84
  4. Step 4: Simplify right side
    7,914.72x = 28,115,069.16
  5. Step 5: Solve for x
    x = 28,115,069.16/7,914.72
  6. Step 6: Final answer
    x = 3,552.25

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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.