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Finding the Fourth Proportional to 17,916.13, 26,874.19 and 5,604.13

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Solution

The fourth proportional to 17,916.13, 26,874.19 and 5,604.13 is: 8,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.13 : 26,874.19 = 5,604.13 : x
  2. Step 2: Convert to fraction form
    17,916.13/26,874.19 = 5,604.13/x
  3. Step 3: Cross multiply
    17,916.13x = 26,874.19 × 5,604.13
  4. Step 4: Simplify right side
    17,916.13x = 150,606,454.40
  5. Step 5: Solve for x
    x = 150,606,454.40/17,916.13
  6. Step 6: Final answer
    x = 8,406.19

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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.