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Finding the Fourth Proportional to 5,855.44, 8,822.64 and 4,838.20

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Solution

The fourth proportional to 5,855.44, 8,822.64 and 4,838.20 is: 7,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.44 : 8,822.64 = 4,838.20 : x
  2. Step 2: Convert to fraction form
    5,855.44/8,822.64 = 4,838.20/x
  3. Step 3: Cross multiply
    5,855.44x = 8,822.64 × 4,838.20
  4. Step 4: Simplify right side
    5,855.44x = 42,685,696.85
  5. Step 5: Solve for x
    x = 42,685,696.85/5,855.44
  6. Step 6: Final answer
    x = 7,289.92

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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.