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Finding the Fourth Proportional to 16,874.70, 25,291.80 and 7,008.90

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Solution

The fourth proportional to 16,874.70, 25,291.80 and 7,008.90 is: 10,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.70 : 25,291.80 = 7,008.90 : x
  2. Step 2: Convert to fraction form
    16,874.70/25,291.80 = 7,008.90/x
  3. Step 3: Cross multiply
    16,874.70x = 25,291.80 × 7,008.90
  4. Step 4: Simplify right side
    16,874.70x = 177,267,697.02
  5. Step 5: Solve for x
    x = 177,267,697.02/16,874.70
  6. Step 6: Final answer
    x = 10,504.94

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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.