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Finding the Fourth Proportional to 55,087.50, 76,027.23 and 32,731.50

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Solution

The fourth proportional to 55,087.50, 76,027.23 and 32,731.50 is: 45,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,087.50 : 76,027.23 = 32,731.50 : x
  2. Step 2: Convert to fraction form
    55,087.50/76,027.23 = 32,731.50/x
  3. Step 3: Cross multiply
    55,087.50x = 76,027.23 × 32,731.50
  4. Step 4: Simplify right side
    55,087.50x = 2,488,485,278.75
  5. Step 5: Solve for x
    x = 2,488,485,278.75/55,087.50
  6. Step 6: Final answer
    x = 45,173.32

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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.