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Finding the Fourth Proportional to 23,879.80, 35,811.20 and 7,008.10

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Solution

The fourth proportional to 23,879.80, 35,811.20 and 7,008.10 is: 10,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,879.80 : 35,811.20 = 7,008.10 : x
  2. Step 2: Convert to fraction form
    23,879.80/35,811.20 = 7,008.10/x
  3. Step 3: Cross multiply
    23,879.80x = 35,811.20 × 7,008.10
  4. Step 4: Simplify right side
    23,879.80x = 250,968,470.72
  5. Step 5: Solve for x
    x = 250,968,470.72/23,879.80
  6. Step 6: Final answer
    x = 10,509.66

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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.