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Finding the Fourth Proportional to 7,893.87, 10,892.96 and 4,536.69

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Solution

The fourth proportional to 7,893.87, 10,892.96 and 4,536.69 is: 6,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.87 : 10,892.96 = 4,536.69 : x
  2. Step 2: Convert to fraction form
    7,893.87/10,892.96 = 4,536.69/x
  3. Step 3: Cross multiply
    7,893.87x = 10,892.96 × 4,536.69
  4. Step 4: Simplify right side
    7,893.87x = 49,417,982.70
  5. Step 5: Solve for x
    x = 49,417,982.70/7,893.87
  6. Step 6: Final answer
    x = 6,260.30

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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.