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Finding the Fourth Proportional to 6,873.60, 10,310.94 and 1,943.16

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Solution

The fourth proportional to 6,873.60, 10,310.94 and 1,943.16 is: 2,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.60 : 10,310.94 = 1,943.16 : x
  2. Step 2: Convert to fraction form
    6,873.60/10,310.94 = 1,943.16/x
  3. Step 3: Cross multiply
    6,873.60x = 10,310.94 × 1,943.16
  4. Step 4: Simplify right side
    6,873.60x = 20,035,806.17
  5. Step 5: Solve for x
    x = 20,035,806.17/6,873.60
  6. Step 6: Final answer
    x = 2,914.89

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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.