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Finding the Fourth Proportional to 46,698.87, 70,081.97 and 18,602.67

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Solution

The fourth proportional to 46,698.87, 70,081.97 and 18,602.67 is: 27,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,698.87 : 70,081.97 = 18,602.67 : x
  2. Step 2: Convert to fraction form
    46,698.87/70,081.97 = 18,602.67/x
  3. Step 3: Cross multiply
    46,698.87x = 70,081.97 × 18,602.67
  4. Step 4: Simplify right side
    46,698.87x = 1,303,711,760.86
  5. Step 5: Solve for x
    x = 1,303,711,760.86/46,698.87
  6. Step 6: Final answer
    x = 27,917.42

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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.