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Finding the Fourth Proportional to 5,903.39, 8,855.55 and 1,520.84

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Solution

The fourth proportional to 5,903.39, 8,855.55 and 1,520.84 is: 2,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.39 : 8,855.55 = 1,520.84 : x
  2. Step 2: Convert to fraction form
    5,903.39/8,855.55 = 1,520.84/x
  3. Step 3: Cross multiply
    5,903.39x = 8,855.55 × 1,520.84
  4. Step 4: Simplify right side
    5,903.39x = 13,467,830.38
  5. Step 5: Solve for x
    x = 13,467,830.38/5,903.39
  6. Step 6: Final answer
    x = 2,281.37

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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.