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Finding the Fourth Proportional to 73,004.67, 100,746.45 and 39,470.67

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Solution

The fourth proportional to 73,004.67, 100,746.45 and 39,470.67 is: 54,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,004.67 : 100,746.45 = 39,470.67 : x
  2. Step 2: Convert to fraction form
    73,004.67/100,746.45 = 39,470.67/x
  3. Step 3: Cross multiply
    73,004.67x = 100,746.45 × 39,470.67
  4. Step 4: Simplify right side
    73,004.67x = 3,976,529,881.62
  5. Step 5: Solve for x
    x = 3,976,529,881.62/73,004.67
  6. Step 6: Final answer
    x = 54,469.53

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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.