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Finding the Fourth Proportional to 12,613.80, 18,891.96 and 6,044.72

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Solution

The fourth proportional to 12,613.80, 18,891.96 and 6,044.72 is: 9,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613.80 : 18,891.96 = 6,044.72 : x
  2. Step 2: Convert to fraction form
    12,613.80/18,891.96 = 6,044.72/x
  3. Step 3: Cross multiply
    12,613.80x = 18,891.96 × 6,044.72
  4. Step 4: Simplify right side
    12,613.80x = 114,196,608.45
  5. Step 5: Solve for x
    x = 114,196,608.45/12,613.80
  6. Step 6: Final answer
    x = 9,053.31

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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.