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Finding the Fourth Proportional to 18,810.92, 25,958.07 and 10,852.67

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Solution

The fourth proportional to 18,810.92, 25,958.07 and 10,852.67 is: 14,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810.92 : 25,958.07 = 10,852.67 : x
  2. Step 2: Convert to fraction form
    18,810.92/25,958.07 = 10,852.67/x
  3. Step 3: Cross multiply
    18,810.92x = 25,958.07 × 10,852.67
  4. Step 4: Simplify right side
    18,810.92x = 281,714,367.55
  5. Step 5: Solve for x
    x = 281,714,367.55/18,810.92
  6. Step 6: Final answer
    x = 14,976.11

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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.