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Finding the Fourth Proportional to 13,295.63, 19,942.20 and 4,061.63

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Solution

The fourth proportional to 13,295.63, 19,942.20 and 4,061.63 is: 6,092.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.63 : 19,942.20 = 4,061.63 : x
  2. Step 2: Convert to fraction form
    13,295.63/19,942.20 = 4,061.63/x
  3. Step 3: Cross multiply
    13,295.63x = 19,942.20 × 4,061.63
  4. Step 4: Simplify right side
    13,295.63x = 80,997,887.64
  5. Step 5: Solve for x
    x = 80,997,887.64/13,295.63
  6. Step 6: Final answer
    x = 6,092.07

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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.