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Finding the Fourth Proportional to 32,968, 45,493.09 and 18,629.07

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Solution

The fourth proportional to 32,968, 45,493.09 and 18,629.07 is: 25,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,968 : 45,493.09 = 18,629.07 : x
  2. Step 2: Convert to fraction form
    32,968/45,493.09 = 18,629.07/x
  3. Step 3: Cross multiply
    32,968x = 45,493.09 × 18,629.07
  4. Step 4: Simplify right side
    32,968x = 847,493,958.13
  5. Step 5: Solve for x
    x = 847,493,958.13/32,968
  6. Step 6: Final answer
    x = 25,706.56

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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.