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Finding the Fourth Proportional to 2,992.59, 4,484.72 and 1,528.65

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Solution

The fourth proportional to 2,992.59, 4,484.72 and 1,528.65 is: 2,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.59 : 4,484.72 = 1,528.65 : x
  2. Step 2: Convert to fraction form
    2,992.59/4,484.72 = 1,528.65/x
  3. Step 3: Cross multiply
    2,992.59x = 4,484.72 × 1,528.65
  4. Step 4: Simplify right side
    2,992.59x = 6,855,571.05
  5. Step 5: Solve for x
    x = 6,855,571.05/2,992.59
  6. Step 6: Final answer
    x = 2,290.85

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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.