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Finding the Fourth Proportional to 16,606.76, 22,917.32 and 9,154.76

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Solution

The fourth proportional to 16,606.76, 22,917.32 and 9,154.76 is: 12,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,606.76 : 22,917.32 = 9,154.76 : x
  2. Step 2: Convert to fraction form
    16,606.76/22,917.32 = 9,154.76/x
  3. Step 3: Cross multiply
    16,606.76x = 22,917.32 × 9,154.76
  4. Step 4: Simplify right side
    16,606.76x = 209,802,564.44
  5. Step 5: Solve for x
    x = 209,802,564.44/16,606.76
  6. Step 6: Final answer
    x = 12,633.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.