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Finding the Fourth Proportional to 11,522.60, 17,259.60 and 9,578.60

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Solution

The fourth proportional to 11,522.60, 17,259.60 and 9,578.60 is: 14,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.60 : 17,259.60 = 9,578.60 : x
  2. Step 2: Convert to fraction form
    11,522.60/17,259.60 = 9,578.60/x
  3. Step 3: Cross multiply
    11,522.60x = 17,259.60 × 9,578.60
  4. Step 4: Simplify right side
    11,522.60x = 165,322,804.56
  5. Step 5: Solve for x
    x = 165,322,804.56/11,522.60
  6. Step 6: Final answer
    x = 14,347.70

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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.