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Finding the Fourth Proportional to 29,265.68, 40,383.96 and 17,930

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Solution

The fourth proportional to 29,265.68, 40,383.96 and 17,930 is: 24,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,265.68 : 40,383.96 = 17,930 : x
  2. Step 2: Convert to fraction form
    29,265.68/40,383.96 = 17,930/x
  3. Step 3: Cross multiply
    29,265.68x = 40,383.96 × 17,930
  4. Step 4: Simplify right side
    29,265.68x = 724,084,402.80
  5. Step 5: Solve for x
    x = 724,084,402.80/29,265.68
  6. Step 6: Final answer
    x = 24,741.76

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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.