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Finding the Fourth Proportional to 36,500.80, 54,866.40 and 34,427.20

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Solution

The fourth proportional to 36,500.80, 54,866.40 and 34,427.20 is: 51,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,500.80 : 54,866.40 = 34,427.20 : x
  2. Step 2: Convert to fraction form
    36,500.80/54,866.40 = 34,427.20/x
  3. Step 3: Cross multiply
    36,500.80x = 54,866.40 × 34,427.20
  4. Step 4: Simplify right side
    36,500.80x = 1,888,896,526.08
  5. Step 5: Solve for x
    x = 1,888,896,526.08/36,500.80
  6. Step 6: Final answer
    x = 51,749.46

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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.