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Finding the Fourth Proportional to 57,975.69, 79,992.05 and 36,747.21

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Solution

The fourth proportional to 57,975.69, 79,992.05 and 36,747.21 is: 50,702.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,975.69 : 79,992.05 = 36,747.21 : x
  2. Step 2: Convert to fraction form
    57,975.69/79,992.05 = 36,747.21/x
  3. Step 3: Cross multiply
    57,975.69x = 79,992.05 × 36,747.21
  4. Step 4: Simplify right side
    57,975.69x = 2,939,484,475.94
  5. Step 5: Solve for x
    x = 2,939,484,475.94/57,975.69
  6. Step 6: Final answer
    x = 50,702.02

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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.