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Finding the Fourth Proportional to 2,950.69, 4,426.03 and 898.69

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Solution

The fourth proportional to 2,950.69, 4,426.03 and 898.69 is: 1,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.69 : 4,426.03 = 898.69 : x
  2. Step 2: Convert to fraction form
    2,950.69/4,426.03 = 898.69/x
  3. Step 3: Cross multiply
    2,950.69x = 4,426.03 × 898.69
  4. Step 4: Simplify right side
    2,950.69x = 3,977,618.96
  5. Step 5: Solve for x
    x = 3,977,618.96/2,950.69
  6. Step 6: Final answer
    x = 1,348.03

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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.