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Finding the Fourth Proportional to 5,869.58, 8,099.80 and 3,511.58

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Solution

The fourth proportional to 5,869.58, 8,099.80 and 3,511.58 is: 4,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.58 : 8,099.80 = 3,511.58 : x
  2. Step 2: Convert to fraction form
    5,869.58/8,099.80 = 3,511.58/x
  3. Step 3: Cross multiply
    5,869.58x = 8,099.80 × 3,511.58
  4. Step 4: Simplify right side
    5,869.58x = 28,443,046.41
  5. Step 5: Solve for x
    x = 28,443,046.41/5,869.58
  6. Step 6: Final answer
    x = 4,845.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.