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Finding the Fourth Proportional to 7,463.16, 11,193.99 and 1,916.34

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Solution

The fourth proportional to 7,463.16, 11,193.99 and 1,916.34 is: 2,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,463.16 : 11,193.99 = 1,916.34 : x
  2. Step 2: Convert to fraction form
    7,463.16/11,193.99 = 1,916.34/x
  3. Step 3: Cross multiply
    7,463.16x = 11,193.99 × 1,916.34
  4. Step 4: Simplify right side
    7,463.16x = 21,451,490.80
  5. Step 5: Solve for x
    x = 21,451,490.80/7,463.16
  6. Step 6: Final answer
    x = 2,874.32

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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.