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Finding the Fourth Proportional to 29,219.80, 43,829.70 and 23,387.80

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Solution

The fourth proportional to 29,219.80, 43,829.70 and 23,387.80 is: 35,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.80 : 43,829.70 = 23,387.80 : x
  2. Step 2: Convert to fraction form
    29,219.80/43,829.70 = 23,387.80/x
  3. Step 3: Cross multiply
    29,219.80x = 43,829.70 × 23,387.80
  4. Step 4: Simplify right side
    29,219.80x = 1,025,080,257.66
  5. Step 5: Solve for x
    x = 1,025,080,257.66/29,219.80
  6. Step 6: Final answer
    x = 35,081.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.