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Finding the Fourth Proportional to 16,879.75, 25,302.34 and 7,024.75

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Solution

The fourth proportional to 16,879.75, 25,302.34 and 7,024.75 is: 10,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.75 : 25,302.34 = 7,024.75 : x
  2. Step 2: Convert to fraction form
    16,879.75/25,302.34 = 7,024.75/x
  3. Step 3: Cross multiply
    16,879.75x = 25,302.34 × 7,024.75
  4. Step 4: Simplify right side
    16,879.75x = 177,742,612.92
  5. Step 5: Solve for x
    x = 177,742,612.92/16,879.75
  6. Step 6: Final answer
    x = 10,529.93

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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.