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Finding the Fourth Proportional to 29,605.96, 40,865.36 and 17,039.08

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Solution

The fourth proportional to 29,605.96, 40,865.36 and 17,039.08 is: 23,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,605.96 : 40,865.36 = 17,039.08 : x
  2. Step 2: Convert to fraction form
    29,605.96/40,865.36 = 17,039.08/x
  3. Step 3: Cross multiply
    29,605.96x = 40,865.36 × 17,039.08
  4. Step 4: Simplify right side
    29,605.96x = 696,308,138.27
  5. Step 5: Solve for x
    x = 696,308,138.27/29,605.96
  6. Step 6: Final answer
    x = 23,519.19

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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.