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Finding the Fourth Proportional to 12,613.73, 17,400.34 and 9,624.38

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Solution

The fourth proportional to 12,613.73, 17,400.34 and 9,624.38 is: 13,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613.73 : 17,400.34 = 9,624.38 : x
  2. Step 2: Convert to fraction form
    12,613.73/17,400.34 = 9,624.38/x
  3. Step 3: Cross multiply
    12,613.73x = 17,400.34 × 9,624.38
  4. Step 4: Simplify right side
    12,613.73x = 167,467,484.29
  5. Step 5: Solve for x
    x = 167,467,484.29/12,613.73
  6. Step 6: Final answer
    x = 13,276.60

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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.