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Finding the Fourth Proportional to 32,620.60, 45,016.32 and 18,473.68

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Solution

The fourth proportional to 32,620.60, 45,016.32 and 18,473.68 is: 25,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,620.60 : 45,016.32 = 18,473.68 : x
  2. Step 2: Convert to fraction form
    32,620.60/45,016.32 = 18,473.68/x
  3. Step 3: Cross multiply
    32,620.60x = 45,016.32 × 18,473.68
  4. Step 4: Simplify right side
    32,620.60x = 831,617,090.46
  5. Step 5: Solve for x
    x = 831,617,090.46/32,620.60
  6. Step 6: Final answer
    x = 25,493.62

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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.