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Finding the Fourth Proportional to 2,958.50, 4,434.50 and 2,612.68

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Solution

The fourth proportional to 2,958.50, 4,434.50 and 2,612.68 is: 3,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.50 : 4,434.50 = 2,612.68 : x
  2. Step 2: Convert to fraction form
    2,958.50/4,434.50 = 2,612.68/x
  3. Step 3: Cross multiply
    2,958.50x = 4,434.50 × 2,612.68
  4. Step 4: Simplify right side
    2,958.50x = 11,585,929.46
  5. Step 5: Solve for x
    x = 11,585,929.46/2,958.50
  6. Step 6: Final answer
    x = 3,916.15

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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.