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Finding the Fourth Proportional to 17,110.90, 25,671.15 and 8,346.10

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Solution

The fourth proportional to 17,110.90, 25,671.15 and 8,346.10 is: 12,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110.90 : 25,671.15 = 8,346.10 : x
  2. Step 2: Convert to fraction form
    17,110.90/25,671.15 = 8,346.10/x
  3. Step 3: Cross multiply
    17,110.90x = 25,671.15 × 8,346.10
  4. Step 4: Simplify right side
    17,110.90x = 214,253,985.02
  5. Step 5: Solve for x
    x = 214,253,985.02/17,110.90
  6. Step 6: Final answer
    x = 12,521.49

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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.