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Finding the Fourth Proportional to 6,741.99, 10,163.47 and 6,290.41

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Solution

The fourth proportional to 6,741.99, 10,163.47 and 6,290.41 is: 9,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.99 : 10,163.47 = 6,290.41 : x
  2. Step 2: Convert to fraction form
    6,741.99/10,163.47 = 6,290.41/x
  3. Step 3: Cross multiply
    6,741.99x = 10,163.47 × 6,290.41
  4. Step 4: Simplify right side
    6,741.99x = 63,932,393.32
  5. Step 5: Solve for x
    x = 63,932,393.32/6,741.99
  6. Step 6: Final answer
    x = 9,482.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.