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Finding the Fourth Proportional to 14,853.68, 20,479.20 and 10,609.82

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Solution

The fourth proportional to 14,853.68, 20,479.20 and 10,609.82 is: 14,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853.68 : 20,479.20 = 10,609.82 : x
  2. Step 2: Convert to fraction form
    14,853.68/20,479.20 = 10,609.82/x
  3. Step 3: Cross multiply
    14,853.68x = 20,479.20 × 10,609.82
  4. Step 4: Simplify right side
    14,853.68x = 217,280,625.74
  5. Step 5: Solve for x
    x = 217,280,625.74/14,853.68
  6. Step 6: Final answer
    x = 14,628.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.