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Finding the Fourth Proportional to 29,170.88, 40,259.62 and 16,426.52

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Solution

The fourth proportional to 29,170.88, 40,259.62 and 16,426.52 is: 22,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,170.88 : 40,259.62 = 16,426.52 : x
  2. Step 2: Convert to fraction form
    29,170.88/40,259.62 = 16,426.52/x
  3. Step 3: Cross multiply
    29,170.88x = 40,259.62 × 16,426.52
  4. Step 4: Simplify right side
    29,170.88x = 661,325,453.12
  5. Step 5: Solve for x
    x = 661,325,453.12/29,170.88
  6. Step 6: Final answer
    x = 22,670.74

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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.