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Finding the Fourth Proportional to 32,513.60, 48,724.32 and 18,447.68

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Solution

The fourth proportional to 32,513.60, 48,724.32 and 18,447.68 is: 27,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,513.60 : 48,724.32 = 18,447.68 : x
  2. Step 2: Convert to fraction form
    32,513.60/48,724.32 = 18,447.68/x
  3. Step 3: Cross multiply
    32,513.60x = 48,724.32 × 18,447.68
  4. Step 4: Simplify right side
    32,513.60x = 898,850,663.58
  5. Step 5: Solve for x
    x = 898,850,663.58/32,513.60
  6. Step 6: Final answer
    x = 27,645.37

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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.