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Finding the Fourth Proportional to 44,766.40, 67,072.80 and 21,342.40

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Solution

The fourth proportional to 44,766.40, 67,072.80 and 21,342.40 is: 31,976.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,766.40 : 67,072.80 = 21,342.40 : x
  2. Step 2: Convert to fraction form
    44,766.40/67,072.80 = 21,342.40/x
  3. Step 3: Cross multiply
    44,766.40x = 67,072.80 × 21,342.40
  4. Step 4: Simplify right side
    44,766.40x = 1,431,494,526.72
  5. Step 5: Solve for x
    x = 1,431,494,526.72/44,766.40
  6. Step 6: Final answer
    x = 31,976.99

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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.