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Finding the Fourth Proportional to 2,950.91, 4,072.34 and 1,624.71

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Solution

The fourth proportional to 2,950.91, 4,072.34 and 1,624.71 is: 2,242.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.91 : 4,072.34 = 1,624.71 : x
  2. Step 2: Convert to fraction form
    2,950.91/4,072.34 = 1,624.71/x
  3. Step 3: Cross multiply
    2,950.91x = 4,072.34 × 1,624.71
  4. Step 4: Simplify right side
    2,950.91x = 6,616,367.95
  5. Step 5: Solve for x
    x = 6,616,367.95/2,950.91
  6. Step 6: Final answer
    x = 2,242.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.