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Finding the Fourth Proportional to 6,053.40, 9,080.10 and 3,979.80

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Solution

The fourth proportional to 6,053.40, 9,080.10 and 3,979.80 is: 5,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,053.40 : 9,080.10 = 3,979.80 : x
  2. Step 2: Convert to fraction form
    6,053.40/9,080.10 = 3,979.80/x
  3. Step 3: Cross multiply
    6,053.40x = 9,080.10 × 3,979.80
  4. Step 4: Simplify right side
    6,053.40x = 36,136,981.98
  5. Step 5: Solve for x
    x = 36,136,981.98/6,053.40
  6. Step 6: Final answer
    x = 5,969.70

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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.