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Finding the Fourth Proportional to 16,628.64, 24,947.64 and 6,774.99

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Solution

The fourth proportional to 16,628.64, 24,947.64 and 6,774.99 is: 10,164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.64 : 24,947.64 = 6,774.99 : x
  2. Step 2: Convert to fraction form
    16,628.64/24,947.64 = 6,774.99/x
  3. Step 3: Cross multiply
    16,628.64x = 24,947.64 × 6,774.99
  4. Step 4: Simplify right side
    16,628.64x = 169,020,011.52
  5. Step 5: Solve for x
    x = 169,020,011.52/16,628.64
  6. Step 6: Final answer
    x = 10,164.39

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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.