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Finding the Fourth Proportional to 32,662.44, 45,119.70 and 31,448.64

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Solution

The fourth proportional to 32,662.44, 45,119.70 and 31,448.64 is: 43,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,662.44 : 45,119.70 = 31,448.64 : x
  2. Step 2: Convert to fraction form
    32,662.44/45,119.70 = 31,448.64/x
  3. Step 3: Cross multiply
    32,662.44x = 45,119.70 × 31,448.64
  4. Step 4: Simplify right side
    32,662.44x = 1,418,953,202.21
  5. Step 5: Solve for x
    x = 1,418,953,202.21/32,662.44
  6. Step 6: Final answer
    x = 43,442.96

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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.