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Finding the Fourth Proportional to 7,809.15, 10,773.59 and 4,976.02

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Solution

The fourth proportional to 7,809.15, 10,773.59 and 4,976.02 is: 6,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.15 : 10,773.59 = 4,976.02 : x
  2. Step 2: Convert to fraction form
    7,809.15/10,773.59 = 4,976.02/x
  3. Step 3: Cross multiply
    7,809.15x = 10,773.59 × 4,976.02
  4. Step 4: Simplify right side
    7,809.15x = 53,609,599.31
  5. Step 5: Solve for x
    x = 53,609,599.31/7,809.15
  6. Step 6: Final answer
    x = 6,864.97

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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.