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Finding the Fourth Proportional to 29,513.59, 40,713.10 and 18,185.54

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Solution

The fourth proportional to 29,513.59, 40,713.10 and 18,185.54 is: 25,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,513.59 : 40,713.10 = 18,185.54 : x
  2. Step 2: Convert to fraction form
    29,513.59/40,713.10 = 18,185.54/x
  3. Step 3: Cross multiply
    29,513.59x = 40,713.10 × 18,185.54
  4. Step 4: Simplify right side
    29,513.59x = 740,389,459.54
  5. Step 5: Solve for x
    x = 740,389,459.54/29,513.59
  6. Step 6: Final answer
    x = 25,086.39

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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.