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Finding the Fourth Proportional to 49,359.97, 74,039.90 and 16,079.98

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Solution

The fourth proportional to 49,359.97, 74,039.90 and 16,079.98 is: 24,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,359.97 : 74,039.90 = 16,079.98 : x
  2. Step 2: Convert to fraction form
    49,359.97/74,039.90 = 16,079.98/x
  3. Step 3: Cross multiply
    49,359.97x = 74,039.90 × 16,079.98
  4. Step 4: Simplify right side
    49,359.97x = 1,190,560,111.20
  5. Step 5: Solve for x
    x = 1,190,560,111.20/49,359.97
  6. Step 6: Final answer
    x = 24,119.95

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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.