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Finding the Fourth Proportional to 62,951.48, 94,441.90 and 20,829.86

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Solution

The fourth proportional to 62,951.48, 94,441.90 and 20,829.86 is: 31,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,951.48 : 94,441.90 = 20,829.86 : x
  2. Step 2: Convert to fraction form
    62,951.48/94,441.90 = 20,829.86/x
  3. Step 3: Cross multiply
    62,951.48x = 94,441.90 × 20,829.86
  4. Step 4: Simplify right side
    62,951.48x = 1,967,211,555.13
  5. Step 5: Solve for x
    x = 1,967,211,555.13/62,951.48
  6. Step 6: Final answer
    x = 31,249.65

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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.