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Finding the Fourth Proportional to 53,651.97, 80,477.01 and 18,591.12

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Solution

The fourth proportional to 53,651.97, 80,477.01 and 18,591.12 is: 27,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,651.97 : 80,477.01 = 18,591.12 : x
  2. Step 2: Convert to fraction form
    53,651.97/80,477.01 = 18,591.12/x
  3. Step 3: Cross multiply
    53,651.97x = 80,477.01 × 18,591.12
  4. Step 4: Simplify right side
    53,651.97x = 1,496,157,750.15
  5. Step 5: Solve for x
    x = 1,496,157,750.15/53,651.97
  6. Step 6: Final answer
    x = 27,886.35

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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.