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Finding the Fourth Proportional to 17,096.40, 25,649.40 and 8,331.60

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Solution

The fourth proportional to 17,096.40, 25,649.40 and 8,331.60 is: 12,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,096.40 : 25,649.40 = 8,331.60 : x
  2. Step 2: Convert to fraction form
    17,096.40/25,649.40 = 8,331.60/x
  3. Step 3: Cross multiply
    17,096.40x = 25,649.40 × 8,331.60
  4. Step 4: Simplify right side
    17,096.40x = 213,700,541.04
  5. Step 5: Solve for x
    x = 213,700,541.04/17,096.40
  6. Step 6: Final answer
    x = 12,499.74

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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.