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Finding the Fourth Proportional to 6,322.41, 9,481.59 and 2,990.21

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Solution

The fourth proportional to 6,322.41, 9,481.59 and 2,990.21 is: 4,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.41 : 9,481.59 = 2,990.21 : x
  2. Step 2: Convert to fraction form
    6,322.41/9,481.59 = 2,990.21/x
  3. Step 3: Cross multiply
    6,322.41x = 9,481.59 × 2,990.21
  4. Step 4: Simplify right side
    6,322.41x = 28,351,897.83
  5. Step 5: Solve for x
    x = 28,351,897.83/6,322.41
  6. Step 6: Final answer
    x = 4,484.35

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Half scale
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Double scale
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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.