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Finding the Fourth Proportional to 16,379.64, 24,562.44 and 7,613.64

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Solution

The fourth proportional to 16,379.64, 24,562.44 and 7,613.64 is: 11,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.64 : 24,562.44 = 7,613.64 : x
  2. Step 2: Convert to fraction form
    16,379.64/24,562.44 = 7,613.64/x
  3. Step 3: Cross multiply
    16,379.64x = 24,562.44 × 7,613.64
  4. Step 4: Simplify right side
    16,379.64x = 187,009,575.68
  5. Step 5: Solve for x
    x = 187,009,575.68/16,379.64
  6. Step 6: Final answer
    x = 11,417.20

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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.