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Finding the Fourth Proportional to 16,743.21, 25,114.82 and 13,048.21

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Solution

The fourth proportional to 16,743.21, 25,114.82 and 13,048.21 is: 19,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,743.21 : 25,114.82 = 13,048.21 : x
  2. Step 2: Convert to fraction form
    16,743.21/25,114.82 = 13,048.21/x
  3. Step 3: Cross multiply
    16,743.21x = 25,114.82 × 13,048.21
  4. Step 4: Simplify right side
    16,743.21x = 327,703,254.66
  5. Step 5: Solve for x
    x = 327,703,254.66/16,743.21
  6. Step 6: Final answer
    x = 19,572.31

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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.