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Finding the Fourth Proportional to 29,675.58, 40,955.67 and 18,344.22

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Solution

The fourth proportional to 29,675.58, 40,955.67 and 18,344.22 is: 25,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,675.58 : 40,955.67 = 18,344.22 : x
  2. Step 2: Convert to fraction form
    29,675.58/40,955.67 = 18,344.22/x
  3. Step 3: Cross multiply
    29,675.58x = 40,955.67 × 18,344.22
  4. Step 4: Simplify right side
    29,675.58x = 751,299,820.73
  5. Step 5: Solve for x
    x = 751,299,820.73/29,675.58
  6. Step 6: Final answer
    x = 25,317.11

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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.