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Finding the Fourth Proportional to 45,200.78, 67,813.87 and 16,737.31

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Solution

The fourth proportional to 45,200.78, 67,813.87 and 16,737.31 is: 25,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,200.78 : 67,813.87 = 16,737.31 : x
  2. Step 2: Convert to fraction form
    45,200.78/67,813.87 = 16,737.31/x
  3. Step 3: Cross multiply
    45,200.78x = 67,813.87 × 16,737.31
  4. Step 4: Simplify right side
    45,200.78x = 1,135,021,457.34
  5. Step 5: Solve for x
    x = 1,135,021,457.34/45,200.78
  6. Step 6: Final answer
    x = 25,110.66

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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.