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Finding the Fourth Proportional to 32,994.24, 45,531.60 and 18,090.24

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Solution

The fourth proportional to 32,994.24, 45,531.60 and 18,090.24 is: 24,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,994.24 : 45,531.60 = 18,090.24 : x
  2. Step 2: Convert to fraction form
    32,994.24/45,531.60 = 18,090.24/x
  3. Step 3: Cross multiply
    32,994.24x = 45,531.60 × 18,090.24
  4. Step 4: Simplify right side
    32,994.24x = 823,677,571.58
  5. Step 5: Solve for x
    x = 823,677,571.58/32,994.24
  6. Step 6: Final answer
    x = 24,964.28

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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.