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Finding the Fourth Proportional to 17,512.58, 26,268.87 and 7,515.02

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Solution

The fourth proportional to 17,512.58, 26,268.87 and 7,515.02 is: 11,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,512.58 : 26,268.87 = 7,515.02 : x
  2. Step 2: Convert to fraction form
    17,512.58/26,268.87 = 7,515.02/x
  3. Step 3: Cross multiply
    17,512.58x = 26,268.87 × 7,515.02
  4. Step 4: Simplify right side
    17,512.58x = 197,411,083.43
  5. Step 5: Solve for x
    x = 197,411,083.43/17,512.58
  6. Step 6: Final answer
    x = 11,272.53

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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.