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Finding the Fourth Proportional to 38,650.50, 57,975.78 and 9,466.50

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Solution

The fourth proportional to 38,650.50, 57,975.78 and 9,466.50 is: 14,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650.50 : 57,975.78 = 9,466.50 : x
  2. Step 2: Convert to fraction form
    38,650.50/57,975.78 = 9,466.50/x
  3. Step 3: Cross multiply
    38,650.50x = 57,975.78 × 9,466.50
  4. Step 4: Simplify right side
    38,650.50x = 548,827,721.37
  5. Step 5: Solve for x
    x = 548,827,721.37/38,650.50
  6. Step 6: Final answer
    x = 14,199.76

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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.