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Finding the Fourth Proportional to 17,371, 26,057.72 and 8,603.56

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Solution

The fourth proportional to 17,371, 26,057.72 and 8,603.56 is: 12,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,371 : 26,057.72 = 8,603.56 : x
  2. Step 2: Convert to fraction form
    17,371/26,057.72 = 8,603.56/x
  3. Step 3: Cross multiply
    17,371x = 26,057.72 × 8,603.56
  4. Step 4: Simplify right side
    17,371x = 224,189,157.48
  5. Step 5: Solve for x
    x = 224,189,157.48/17,371
  6. Step 6: Final answer
    x = 12,905.94

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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.