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Finding the Fourth Proportional to 6,323.91, 9,483.84 and 2,991.71

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Solution

The fourth proportional to 6,323.91, 9,483.84 and 2,991.71 is: 4,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,323.91 : 9,483.84 = 2,991.71 : x
  2. Step 2: Convert to fraction form
    6,323.91/9,483.84 = 2,991.71/x
  3. Step 3: Cross multiply
    6,323.91x = 9,483.84 × 2,991.71
  4. Step 4: Simplify right side
    6,323.91x = 28,372,851.55
  5. Step 5: Solve for x
    x = 28,372,851.55/6,323.91
  6. Step 6: Final answer
    x = 4,486.60

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Double scale
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Similar ratio
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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.