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Finding the Fourth Proportional to 24,319.75, 36,479.64 and 7,903.75

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Solution

The fourth proportional to 24,319.75, 36,479.64 and 7,903.75 is: 11,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,319.75 : 36,479.64 = 7,903.75 : x
  2. Step 2: Convert to fraction form
    24,319.75/36,479.64 = 7,903.75/x
  3. Step 3: Cross multiply
    24,319.75x = 36,479.64 × 7,903.75
  4. Step 4: Simplify right side
    24,319.75x = 288,325,954.65
  5. Step 5: Solve for x
    x = 288,325,954.65/24,319.75
  6. Step 6: Final answer
    x = 11,855.63

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Similar ratio
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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.