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Finding the Fourth Proportional to 32,405.93, 44,720.64 and 18,258.78

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Solution

The fourth proportional to 32,405.93, 44,720.64 and 18,258.78 is: 25,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,405.93 : 44,720.64 = 18,258.78 : x
  2. Step 2: Convert to fraction form
    32,405.93/44,720.64 = 18,258.78/x
  3. Step 3: Cross multiply
    32,405.93x = 44,720.64 × 18,258.78
  4. Step 4: Simplify right side
    32,405.93x = 816,544,327.22
  5. Step 5: Solve for x
    x = 816,544,327.22/32,405.93
  6. Step 6: Final answer
    x = 25,197.38

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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.