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Finding the Fourth Proportional to 12,624.95, 18,932.99 and 6,924.76

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Solution

The fourth proportional to 12,624.95, 18,932.99 and 6,924.76 is: 10,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.95 : 18,932.99 = 6,924.76 : x
  2. Step 2: Convert to fraction form
    12,624.95/18,932.99 = 6,924.76/x
  3. Step 3: Cross multiply
    12,624.95x = 18,932.99 × 6,924.76
  4. Step 4: Simplify right side
    12,624.95x = 131,106,424.54
  5. Step 5: Solve for x
    x = 131,106,424.54/12,624.95
  6. Step 6: Final answer
    x = 10,384.71

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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.