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Finding the Fourth Proportional to 6,643.37, 9,913.23 and 6,053.91

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Solution

The fourth proportional to 6,643.37, 9,913.23 and 6,053.91 is: 9,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.37 : 9,913.23 = 6,053.91 : x
  2. Step 2: Convert to fraction form
    6,643.37/9,913.23 = 6,053.91/x
  3. Step 3: Cross multiply
    6,643.37x = 9,913.23 × 6,053.91
  4. Step 4: Simplify right side
    6,643.37x = 60,013,765.05
  5. Step 5: Solve for x
    x = 60,013,765.05/6,643.37
  6. Step 6: Final answer
    x = 9,033.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.