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Finding the Fourth Proportional to 57,562.92, 79,406.42 and 39,626.89

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Solution

The fourth proportional to 57,562.92, 79,406.42 and 39,626.89 is: 54,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,562.92 : 79,406.42 = 39,626.89 : x
  2. Step 2: Convert to fraction form
    57,562.92/79,406.42 = 39,626.89/x
  3. Step 3: Cross multiply
    57,562.92x = 79,406.42 × 39,626.89
  4. Step 4: Simplify right side
    57,562.92x = 3,146,629,470.63
  5. Step 5: Solve for x
    x = 3,146,629,470.63/57,562.92
  6. Step 6: Final answer
    x = 54,664.17

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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.