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Finding the Fourth Proportional to 2,472.48, 3,408.60 and 2,395.80

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Solution

The fourth proportional to 2,472.48, 3,408.60 and 2,395.80 is: 3,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.48 : 3,408.60 = 2,395.80 : x
  2. Step 2: Convert to fraction form
    2,472.48/3,408.60 = 2,395.80/x
  3. Step 3: Cross multiply
    2,472.48x = 3,408.60 × 2,395.80
  4. Step 4: Simplify right side
    2,472.48x = 8,166,323.88
  5. Step 5: Solve for x
    x = 8,166,323.88/2,472.48
  6. Step 6: Final answer
    x = 3,302.89

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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.