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Finding the Fourth Proportional to 23,355.60, 32,230.08 and 12,745.44

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Solution

The fourth proportional to 23,355.60, 32,230.08 and 12,745.44 is: 17,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,355.60 : 32,230.08 = 12,745.44 : x
  2. Step 2: Convert to fraction form
    23,355.60/32,230.08 = 12,745.44/x
  3. Step 3: Cross multiply
    23,355.60x = 32,230.08 × 12,745.44
  4. Step 4: Simplify right side
    23,355.60x = 410,786,550.84
  5. Step 5: Solve for x
    x = 410,786,550.84/23,355.60
  6. Step 6: Final answer
    x = 17,588.35

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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.