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Finding the Fourth Proportional to 17,039.77, 25,562.08 and 5,353.90

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Solution

The fourth proportional to 17,039.77, 25,562.08 and 5,353.90 is: 8,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,039.77 : 25,562.08 = 5,353.90 : x
  2. Step 2: Convert to fraction form
    17,039.77/25,562.08 = 5,353.90/x
  3. Step 3: Cross multiply
    17,039.77x = 25,562.08 × 5,353.90
  4. Step 4: Simplify right side
    17,039.77x = 136,856,762.90
  5. Step 5: Solve for x
    x = 136,856,762.90/17,039.77
  6. Step 6: Final answer
    x = 8,031.61

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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.