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Finding the Fourth Proportional to 39,595, 54,639.48 and 23,688.24

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Solution

The fourth proportional to 39,595, 54,639.48 and 23,688.24 is: 32,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,595 : 54,639.48 = 23,688.24 : x
  2. Step 2: Convert to fraction form
    39,595/54,639.48 = 23,688.24/x
  3. Step 3: Cross multiply
    39,595x = 54,639.48 × 23,688.24
  4. Step 4: Simplify right side
    39,595x = 1,294,313,115.72
  5. Step 5: Solve for x
    x = 1,294,313,115.72/39,595
  6. Step 6: Final answer
    x = 32,688.80

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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.