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Finding the Fourth Proportional to 46,662.66, 70,023.01 and 18,960.66

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Solution

The fourth proportional to 46,662.66, 70,023.01 and 18,960.66 is: 28,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,662.66 : 70,023.01 = 18,960.66 : x
  2. Step 2: Convert to fraction form
    46,662.66/70,023.01 = 18,960.66/x
  3. Step 3: Cross multiply
    46,662.66x = 70,023.01 × 18,960.66
  4. Step 4: Simplify right side
    46,662.66x = 1,327,682,484.79
  5. Step 5: Solve for x
    x = 1,327,682,484.79/46,662.66
  6. Step 6: Final answer
    x = 28,452.78

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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.