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Finding the Fourth Proportional to 17,381.60, 26,007.60 and 11,549.60

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Solution

The fourth proportional to 17,381.60, 26,007.60 and 11,549.60 is: 17,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.60 : 26,007.60 = 11,549.60 : x
  2. Step 2: Convert to fraction form
    17,381.60/26,007.60 = 11,549.60/x
  3. Step 3: Cross multiply
    17,381.60x = 26,007.60 × 11,549.60
  4. Step 4: Simplify right side
    17,381.60x = 300,377,376.96
  5. Step 5: Solve for x
    x = 300,377,376.96/17,381.60
  6. Step 6: Final answer
    x = 17,281.34

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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.