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Finding the Fourth Proportional to 9,495.45, 14,238.85 and 3,945.48

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Solution

The fourth proportional to 9,495.45, 14,238.85 and 3,945.48 is: 5,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,495.45 : 14,238.85 = 3,945.48 : x
  2. Step 2: Convert to fraction form
    9,495.45/14,238.85 = 3,945.48/x
  3. Step 3: Cross multiply
    9,495.45x = 14,238.85 × 3,945.48
  4. Step 4: Simplify right side
    9,495.45x = 56,179,078.17
  5. Step 5: Solve for x
    x = 56,179,078.17/9,495.45
  6. Step 6: Final answer
    x = 5,916.42

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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.