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Finding the Fourth Proportional to 29,569.19, 40,805.43 and 18,958.82

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Solution

The fourth proportional to 29,569.19, 40,805.43 and 18,958.82 is: 26,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,569.19 : 40,805.43 = 18,958.82 : x
  2. Step 2: Convert to fraction form
    29,569.19/40,805.43 = 18,958.82/x
  3. Step 3: Cross multiply
    29,569.19x = 40,805.43 × 18,958.82
  4. Step 4: Simplify right side
    29,569.19x = 773,622,802.39
  5. Step 5: Solve for x
    x = 773,622,802.39/29,569.19
  6. Step 6: Final answer
    x = 26,163.14

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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.