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Finding the Fourth Proportional to 54,525.60, 81,745.20 and 29,901.60

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Solution

The fourth proportional to 54,525.60, 81,745.20 and 29,901.60 is: 44,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,525.60 : 81,745.20 = 29,901.60 : x
  2. Step 2: Convert to fraction form
    54,525.60/81,745.20 = 29,901.60/x
  3. Step 3: Cross multiply
    54,525.60x = 81,745.20 × 29,901.60
  4. Step 4: Simplify right side
    54,525.60x = 2,444,312,272.32
  5. Step 5: Solve for x
    x = 2,444,312,272.32/54,525.60
  6. Step 6: Final answer
    x = 44,828.71

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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.