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Finding the Fourth Proportional to 29,059.71, 40,092.09 and 18,993.96

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Solution

The fourth proportional to 29,059.71, 40,092.09 and 18,993.96 is: 26,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,059.71 : 40,092.09 = 18,993.96 : x
  2. Step 2: Convert to fraction form
    29,059.71/40,092.09 = 18,993.96/x
  3. Step 3: Cross multiply
    29,059.71x = 40,092.09 × 18,993.96
  4. Step 4: Simplify right side
    29,059.71x = 761,507,705.11
  5. Step 5: Solve for x
    x = 761,507,705.11/29,059.71
  6. Step 6: Final answer
    x = 26,204.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.