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Finding the Fourth Proportional to 16,773.40, 25,160.10 and 5,087.20

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Solution

The fourth proportional to 16,773.40, 25,160.10 and 5,087.20 is: 7,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,773.40 : 25,160.10 = 5,087.20 : x
  2. Step 2: Convert to fraction form
    16,773.40/25,160.10 = 5,087.20/x
  3. Step 3: Cross multiply
    16,773.40x = 25,160.10 × 5,087.20
  4. Step 4: Simplify right side
    16,773.40x = 127,994,460.72
  5. Step 5: Solve for x
    x = 127,994,460.72/16,773.40
  6. Step 6: Final answer
    x = 7,630.80

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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.