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Finding the Fourth Proportional to 7,463.90, 11,195.48 and 2,783.90

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Solution

The fourth proportional to 7,463.90, 11,195.48 and 2,783.90 is: 4,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,463.90 : 11,195.48 = 2,783.90 : x
  2. Step 2: Convert to fraction form
    7,463.90/11,195.48 = 2,783.90/x
  3. Step 3: Cross multiply
    7,463.90x = 11,195.48 × 2,783.90
  4. Step 4: Simplify right side
    7,463.90x = 31,167,096.77
  5. Step 5: Solve for x
    x = 31,167,096.77/7,463.90
  6. Step 6: Final answer
    x = 4,175.71

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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.