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Finding the Fourth Proportional to 8,912.84, 13,368.18 and 4,533.44

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Solution

The fourth proportional to 8,912.84, 13,368.18 and 4,533.44 is: 6,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.84 : 13,368.18 = 4,533.44 : x
  2. Step 2: Convert to fraction form
    8,912.84/13,368.18 = 4,533.44/x
  3. Step 3: Cross multiply
    8,912.84x = 13,368.18 × 4,533.44
  4. Step 4: Simplify right side
    8,912.84x = 60,603,841.94
  5. Step 5: Solve for x
    x = 60,603,841.94/8,912.84
  6. Step 6: Final answer
    x = 6,799.61

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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.