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Finding the Fourth Proportional to 17,114.35, 25,671.16 and 7,880.35

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Solution

The fourth proportional to 17,114.35, 25,671.16 and 7,880.35 is: 11,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,114.35 : 25,671.16 = 7,880.35 : x
  2. Step 2: Convert to fraction form
    17,114.35/25,671.16 = 7,880.35/x
  3. Step 3: Cross multiply
    17,114.35x = 25,671.16 × 7,880.35
  4. Step 4: Simplify right side
    17,114.35x = 202,297,725.71
  5. Step 5: Solve for x
    x = 202,297,725.71/17,114.35
  6. Step 6: Final answer
    x = 11,820.36

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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.