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Finding the Fourth Proportional to 32,455.60, 44,788.92 and 18,116.80

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Solution

The fourth proportional to 32,455.60, 44,788.92 and 18,116.80 is: 25,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,455.60 : 44,788.92 = 18,116.80 : x
  2. Step 2: Convert to fraction form
    32,455.60/44,788.92 = 18,116.80/x
  3. Step 3: Cross multiply
    32,455.60x = 44,788.92 × 18,116.80
  4. Step 4: Simplify right side
    32,455.60x = 811,431,905.86
  5. Step 5: Solve for x
    x = 811,431,905.86/32,455.60
  6. Step 6: Final answer
    x = 25,001.29

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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.