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Finding the Fourth Proportional to 17,265.60, 25,917.60 and 10,699.20

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Solution

The fourth proportional to 17,265.60, 25,917.60 and 10,699.20 is: 16,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,265.60 : 25,917.60 = 10,699.20 : x
  2. Step 2: Convert to fraction form
    17,265.60/25,917.60 = 10,699.20/x
  3. Step 3: Cross multiply
    17,265.60x = 25,917.60 × 10,699.20
  4. Step 4: Simplify right side
    17,265.60x = 277,297,585.92
  5. Step 5: Solve for x
    x = 277,297,585.92/17,265.60
  6. Step 6: Final answer
    x = 16,060.70

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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.