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Finding the Fourth Proportional to 39,026.40, 58,542.80 and 16,840.80

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Solution

The fourth proportional to 39,026.40, 58,542.80 and 16,840.80 is: 25,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,026.40 : 58,542.80 = 16,840.80 : x
  2. Step 2: Convert to fraction form
    39,026.40/58,542.80 = 16,840.80/x
  3. Step 3: Cross multiply
    39,026.40x = 58,542.80 × 16,840.80
  4. Step 4: Simplify right side
    39,026.40x = 985,907,586.24
  5. Step 5: Solve for x
    x = 985,907,586.24/39,026.40
  6. Step 6: Final answer
    x = 25,262.58

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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.