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Finding the Fourth Proportional to 16,750.32, 25,125.42 and 7,958.58

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Solution

The fourth proportional to 16,750.32, 25,125.42 and 7,958.58 is: 11,937.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.32 : 25,125.42 = 7,958.58 : x
  2. Step 2: Convert to fraction form
    16,750.32/25,125.42 = 7,958.58/x
  3. Step 3: Cross multiply
    16,750.32x = 25,125.42 × 7,958.58
  4. Step 4: Simplify right side
    16,750.32x = 199,962,665.10
  5. Step 5: Solve for x
    x = 199,962,665.10/16,750.32
  6. Step 6: Final answer
    x = 11,937.84

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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.