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Finding the Fourth Proportional to 4,855.42, 7,289.28 and 4,043.62

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Solution

The fourth proportional to 4,855.42, 7,289.28 and 4,043.62 is: 6,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.42 : 7,289.28 = 4,043.62 : x
  2. Step 2: Convert to fraction form
    4,855.42/7,289.28 = 4,043.62/x
  3. Step 3: Cross multiply
    4,855.42x = 7,289.28 × 4,043.62
  4. Step 4: Simplify right side
    4,855.42x = 29,475,078.39
  5. Step 5: Solve for x
    x = 29,475,078.39/4,855.42
  6. Step 6: Final answer
    x = 6,070.55

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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.