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Finding the Fourth Proportional to 17,916.64, 26,874.93 and 5,604.64

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Solution

The fourth proportional to 17,916.64, 26,874.93 and 5,604.64 is: 8,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.64 : 26,874.93 = 5,604.64 : x
  2. Step 2: Convert to fraction form
    17,916.64/26,874.93 = 5,604.64/x
  3. Step 3: Cross multiply
    17,916.64x = 26,874.93 × 5,604.64
  4. Step 4: Simplify right side
    17,916.64x = 150,624,307.68
  5. Step 5: Solve for x
    x = 150,624,307.68/17,916.64
  6. Step 6: Final answer
    x = 8,406.95

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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.