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Finding the Fourth Proportional to 57,300, 79,074.54 and 32,150.04

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Solution

The fourth proportional to 57,300, 79,074.54 and 32,150.04 is: 44,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,300 : 79,074.54 = 32,150.04 : x
  2. Step 2: Convert to fraction form
    57,300/79,074.54 = 32,150.04/x
  3. Step 3: Cross multiply
    57,300x = 79,074.54 × 32,150.04
  4. Step 4: Simplify right side
    57,300x = 2,542,249,623.98
  5. Step 5: Solve for x
    x = 2,542,249,623.98/57,300
  6. Step 6: Final answer
    x = 44,367.36

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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.