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Finding the Fourth Proportional to 16,628.81, 24,947.53 and 8,308.49

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Solution

The fourth proportional to 16,628.81, 24,947.53 and 8,308.49 is: 12,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.81 : 24,947.53 = 8,308.49 : x
  2. Step 2: Convert to fraction form
    16,628.81/24,947.53 = 8,308.49/x
  3. Step 3: Cross multiply
    16,628.81x = 24,947.53 × 8,308.49
  4. Step 4: Simplify right side
    16,628.81x = 207,276,158.02
  5. Step 5: Solve for x
    x = 207,276,158.02/16,628.81
  6. Step 6: Final answer
    x = 12,464.89

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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.