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Finding the Fourth Proportional to 16,913.76, 25,374.87 and 6,383.76

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Solution

The fourth proportional to 16,913.76, 25,374.87 and 6,383.76 is: 9,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.76 : 25,374.87 = 6,383.76 : x
  2. Step 2: Convert to fraction form
    16,913.76/25,374.87 = 6,383.76/x
  3. Step 3: Cross multiply
    16,913.76x = 25,374.87 × 6,383.76
  4. Step 4: Simplify right side
    16,913.76x = 161,987,080.11
  5. Step 5: Solve for x
    x = 161,987,080.11/16,913.76
  6. Step 6: Final answer
    x = 9,577.24

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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.