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Finding the Fourth Proportional to 7,892.80, 11,793.04 and 5,844.80

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Solution

The fourth proportional to 7,892.80, 11,793.04 and 5,844.80 is: 8,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.80 : 11,793.04 = 5,844.80 : x
  2. Step 2: Convert to fraction form
    7,892.80/11,793.04 = 5,844.80/x
  3. Step 3: Cross multiply
    7,892.80x = 11,793.04 × 5,844.80
  4. Step 4: Simplify right side
    7,892.80x = 68,927,960.19
  5. Step 5: Solve for x
    x = 68,927,960.19/7,892.80
  6. Step 6: Final answer
    x = 8,733.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.