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Finding the Fourth Proportional to 57,563.92, 79,407.80 and 39,627.89

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Solution

The fourth proportional to 57,563.92, 79,407.80 and 39,627.89 is: 54,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,563.92 : 79,407.80 = 39,627.89 : x
  2. Step 2: Convert to fraction form
    57,563.92/79,407.80 = 39,627.89/x
  3. Step 3: Cross multiply
    57,563.92x = 79,407.80 × 39,627.89
  4. Step 4: Simplify right side
    57,563.92x = 3,146,763,563.54
  5. Step 5: Solve for x
    x = 3,146,763,563.54/57,563.92
  6. Step 6: Final answer
    x = 54,665.55

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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.