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Finding the Fourth Proportional to 46,660.96, 70,020.47 and 18,958.96

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Solution

The fourth proportional to 46,660.96, 70,020.47 and 18,958.96 is: 28,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,660.96 : 70,020.47 = 18,958.96 : x
  2. Step 2: Convert to fraction form
    46,660.96/70,020.47 = 18,958.96/x
  3. Step 3: Cross multiply
    46,660.96x = 70,020.47 × 18,958.96
  4. Step 4: Simplify right side
    46,660.96x = 1,327,515,289.91
  5. Step 5: Solve for x
    x = 1,327,515,289.91/46,660.96
  6. Step 6: Final answer
    x = 28,450.24

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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.