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Finding the Fourth Proportional to 72,046.20, 108,020.70 and 34,624.20

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Solution

The fourth proportional to 72,046.20, 108,020.70 and 34,624.20 is: 51,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046.20 : 108,020.70 = 34,624.20 : x
  2. Step 2: Convert to fraction form
    72,046.20/108,020.70 = 34,624.20/x
  3. Step 3: Cross multiply
    72,046.20x = 108,020.70 × 34,624.20
  4. Step 4: Simplify right side
    72,046.20x = 3,740,130,320.94
  5. Step 5: Solve for x
    x = 3,740,130,320.94/72,046.20
  6. Step 6: Final answer
    x = 51,912.94

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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.