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Finding the Fourth Proportional to 29,259.90, 40,383.90 and 17,329.14

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Solution

The fourth proportional to 29,259.90, 40,383.90 and 17,329.14 is: 23,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,259.90 : 40,383.90 = 17,329.14 : x
  2. Step 2: Convert to fraction form
    29,259.90/40,383.90 = 17,329.14/x
  3. Step 3: Cross multiply
    29,259.90x = 40,383.90 × 17,329.14
  4. Step 4: Simplify right side
    29,259.90x = 699,818,256.85
  5. Step 5: Solve for x
    x = 699,818,256.85/29,259.90
  6. Step 6: Final answer
    x = 23,917.32

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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.