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Finding the Fourth Proportional to 7,879.03, 10,873.53 and 4,342.24

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Solution

The fourth proportional to 7,879.03, 10,873.53 and 4,342.24 is: 5,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879.03 : 10,873.53 = 4,342.24 : x
  2. Step 2: Convert to fraction form
    7,879.03/10,873.53 = 4,342.24/x
  3. Step 3: Cross multiply
    7,879.03x = 10,873.53 × 4,342.24
  4. Step 4: Simplify right side
    7,879.03x = 47,215,476.91
  5. Step 5: Solve for x
    x = 47,215,476.91/7,879.03
  6. Step 6: Final answer
    x = 5,992.55

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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.