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Finding the Fourth Proportional to 36,613.70, 54,929.55 and 10,318.10

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Solution

The fourth proportional to 36,613.70, 54,929.55 and 10,318.10 is: 15,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,613.70 : 54,929.55 = 10,318.10 : x
  2. Step 2: Convert to fraction form
    36,613.70/54,929.55 = 10,318.10/x
  3. Step 3: Cross multiply
    36,613.70x = 54,929.55 × 10,318.10
  4. Step 4: Simplify right side
    36,613.70x = 566,768,589.86
  5. Step 5: Solve for x
    x = 566,768,589.86/36,613.70
  6. Step 6: Final answer
    x = 15,479.69

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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.