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Finding the Fourth Proportional to 29,076.01, 40,131.15 and 17,743.08

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Solution

The fourth proportional to 29,076.01, 40,131.15 and 17,743.08 is: 24,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,076.01 : 40,131.15 = 17,743.08 : x
  2. Step 2: Convert to fraction form
    29,076.01/40,131.15 = 17,743.08/x
  3. Step 3: Cross multiply
    29,076.01x = 40,131.15 × 17,743.08
  4. Step 4: Simplify right side
    29,076.01x = 712,050,204.94
  5. Step 5: Solve for x
    x = 712,050,204.94/29,076.01
  6. Step 6: Final answer
    x = 24,489.27

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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.