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Finding the Fourth Proportional to 7,260.36, 10,892.36 and 2,877.84

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Solution

The fourth proportional to 7,260.36, 10,892.36 and 2,877.84 is: 4,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.36 : 10,892.36 = 2,877.84 : x
  2. Step 2: Convert to fraction form
    7,260.36/10,892.36 = 2,877.84/x
  3. Step 3: Cross multiply
    7,260.36x = 10,892.36 × 2,877.84
  4. Step 4: Simplify right side
    7,260.36x = 31,346,469.30
  5. Step 5: Solve for x
    x = 31,346,469.30/7,260.36
  6. Step 6: Final answer
    x = 4,317.48

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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.