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Finding the Fourth Proportional to 2,625.09, 3,624.06 and 1,916.18

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Solution

The fourth proportional to 2,625.09, 3,624.06 and 1,916.18 is: 2,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.09 : 3,624.06 = 1,916.18 : x
  2. Step 2: Convert to fraction form
    2,625.09/3,624.06 = 1,916.18/x
  3. Step 3: Cross multiply
    2,625.09x = 3,624.06 × 1,916.18
  4. Step 4: Simplify right side
    2,625.09x = 6,944,333.17
  5. Step 5: Solve for x
    x = 6,944,333.17/2,625.09
  6. Step 6: Final answer
    x = 2,645.37

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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.