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Finding the Fourth Proportional to 7,893.09, 10,892.04 and 4,908.84

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Solution

The fourth proportional to 7,893.09, 10,892.04 and 4,908.84 is: 6,773.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.09 : 10,892.04 = 4,908.84 : x
  2. Step 2: Convert to fraction form
    7,893.09/10,892.04 = 4,908.84/x
  3. Step 3: Cross multiply
    7,893.09x = 10,892.04 × 4,908.84
  4. Step 4: Simplify right side
    7,893.09x = 53,467,281.63
  5. Step 5: Solve for x
    x = 53,467,281.63/7,893.09
  6. Step 6: Final answer
    x = 6,773.94

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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.