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Finding the Fourth Proportional to 23,679.60, 35,535.60 and 13,149.60

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Solution

The fourth proportional to 23,679.60, 35,535.60 and 13,149.60 is: 19,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,679.60 : 35,535.60 = 13,149.60 : x
  2. Step 2: Convert to fraction form
    23,679.60/35,535.60 = 13,149.60/x
  3. Step 3: Cross multiply
    23,679.60x = 35,535.60 × 13,149.60
  4. Step 4: Simplify right side
    23,679.60x = 467,278,925.76
  5. Step 5: Solve for x
    x = 467,278,925.76/23,679.60
  6. Step 6: Final answer
    x = 19,733.40

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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.