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Finding the Fourth Proportional to 17,285.80, 25,928.70 and 16,018.60

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Solution

The fourth proportional to 17,285.80, 25,928.70 and 16,018.60 is: 24,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,285.80 : 25,928.70 = 16,018.60 : x
  2. Step 2: Convert to fraction form
    17,285.80/25,928.70 = 16,018.60/x
  3. Step 3: Cross multiply
    17,285.80x = 25,928.70 × 16,018.60
  4. Step 4: Simplify right side
    17,285.80x = 415,341,473.82
  5. Step 5: Solve for x
    x = 415,341,473.82/17,285.80
  6. Step 6: Final answer
    x = 24,027.90

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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.