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Finding the Fourth Proportional to 16,080.40, 24,127.80 and 7,310.80

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Solution

The fourth proportional to 16,080.40, 24,127.80 and 7,310.80 is: 10,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,080.40 : 24,127.80 = 7,310.80 : x
  2. Step 2: Convert to fraction form
    16,080.40/24,127.80 = 7,310.80/x
  3. Step 3: Cross multiply
    16,080.40x = 24,127.80 × 7,310.80
  4. Step 4: Simplify right side
    16,080.40x = 176,393,520.24
  5. Step 5: Solve for x
    x = 176,393,520.24/16,080.40
  6. Step 6: Final answer
    x = 10,969.47

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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.