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Finding the Fourth Proportional to 7,879.16, 11,820.46 and 2,332.93

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Solution

The fourth proportional to 7,879.16, 11,820.46 and 2,332.93 is: 3,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879.16 : 11,820.46 = 2,332.93 : x
  2. Step 2: Convert to fraction form
    7,879.16/11,820.46 = 2,332.93/x
  3. Step 3: Cross multiply
    7,879.16x = 11,820.46 × 2,332.93
  4. Step 4: Simplify right side
    7,879.16x = 27,576,350.35
  5. Step 5: Solve for x
    x = 27,576,350.35/7,879.16
  6. Step 6: Final answer
    x = 3,499.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.