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Finding the Fourth Proportional to 17,076.90, 25,616.55 and 9,684.90

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Solution

The fourth proportional to 17,076.90, 25,616.55 and 9,684.90 is: 14,528.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,076.90 : 25,616.55 = 9,684.90 : x
  2. Step 2: Convert to fraction form
    17,076.90/25,616.55 = 9,684.90/x
  3. Step 3: Cross multiply
    17,076.90x = 25,616.55 × 9,684.90
  4. Step 4: Simplify right side
    17,076.90x = 248,093,725.10
  5. Step 5: Solve for x
    x = 248,093,725.10/17,076.90
  6. Step 6: Final answer
    x = 14,528.03

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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.