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Finding the Fourth Proportional to 40,367.25, 60,551.42 and 12,665.25

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Solution

The fourth proportional to 40,367.25, 60,551.42 and 12,665.25 is: 18,998.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,367.25 : 60,551.42 = 12,665.25 : x
  2. Step 2: Convert to fraction form
    40,367.25/60,551.42 = 12,665.25/x
  3. Step 3: Cross multiply
    40,367.25x = 60,551.42 × 12,665.25
  4. Step 4: Simplify right side
    40,367.25x = 766,898,808.83
  5. Step 5: Solve for x
    x = 766,898,808.83/40,367.25
  6. Step 6: Final answer
    x = 18,998.04

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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.