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Finding the Fourth Proportional to 54,403.60, 81,540.60 and 22,813.60

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Solution

The fourth proportional to 54,403.60, 81,540.60 and 22,813.60 is: 34,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403.60 : 81,540.60 = 22,813.60 : x
  2. Step 2: Convert to fraction form
    54,403.60/81,540.60 = 22,813.60/x
  3. Step 3: Cross multiply
    54,403.60x = 81,540.60 × 22,813.60
  4. Step 4: Simplify right side
    54,403.60x = 1,860,234,632.16
  5. Step 5: Solve for x
    x = 1,860,234,632.16/54,403.60
  6. Step 6: Final answer
    x = 34,193.23

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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.