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Finding the Fourth Proportional to 24,624.14, 36,928.44 and 7,980.30

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Solution

The fourth proportional to 24,624.14, 36,928.44 and 7,980.30 is: 11,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,624.14 : 36,928.44 = 7,980.30 : x
  2. Step 2: Convert to fraction form
    24,624.14/36,928.44 = 7,980.30/x
  3. Step 3: Cross multiply
    24,624.14x = 36,928.44 × 7,980.30
  4. Step 4: Simplify right side
    24,624.14x = 294,700,029.73
  5. Step 5: Solve for x
    x = 294,700,029.73/24,624.14
  6. Step 6: Final answer
    x = 11,967.93

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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.