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Finding the Fourth Proportional to 23,179.60, 34,785.60 and 14,879.80

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Solution

The fourth proportional to 23,179.60, 34,785.60 and 14,879.80 is: 22,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179.60 : 34,785.60 = 14,879.80 : x
  2. Step 2: Convert to fraction form
    23,179.60/34,785.60 = 14,879.80/x
  3. Step 3: Cross multiply
    23,179.60x = 34,785.60 × 14,879.80
  4. Step 4: Simplify right side
    23,179.60x = 517,602,770.88
  5. Step 5: Solve for x
    x = 517,602,770.88/23,179.60
  6. Step 6: Final answer
    x = 22,330.10

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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.