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Finding the Fourth Proportional to 29,083.80, 43,625.70 and 13,288.80

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Solution

The fourth proportional to 29,083.80, 43,625.70 and 13,288.80 is: 19,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,083.80 : 43,625.70 = 13,288.80 : x
  2. Step 2: Convert to fraction form
    29,083.80/43,625.70 = 13,288.80/x
  3. Step 3: Cross multiply
    29,083.80x = 43,625.70 × 13,288.80
  4. Step 4: Simplify right side
    29,083.80x = 579,733,202.16
  5. Step 5: Solve for x
    x = 579,733,202.16/29,083.80
  6. Step 6: Final answer
    x = 19,933.20

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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.