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Finding the Fourth Proportional to 16,913.56, 25,342.64 and 9,007.68

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Solution

The fourth proportional to 16,913.56, 25,342.64 and 9,007.68 is: 13,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.56 : 25,342.64 = 9,007.68 : x
  2. Step 2: Convert to fraction form
    16,913.56/25,342.64 = 9,007.68/x
  3. Step 3: Cross multiply
    16,913.56x = 25,342.64 × 9,007.68
  4. Step 4: Simplify right side
    16,913.56x = 228,278,346.44
  5. Step 5: Solve for x
    x = 228,278,346.44/16,913.56
  6. Step 6: Final answer
    x = 13,496.77

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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.