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Finding the Fourth Proportional to 12,668.93, 17,484.20 and 7,363.41

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Solution

The fourth proportional to 12,668.93, 17,484.20 and 7,363.41 is: 10,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.93 : 17,484.20 = 7,363.41 : x
  2. Step 2: Convert to fraction form
    12,668.93/17,484.20 = 7,363.41/x
  3. Step 3: Cross multiply
    12,668.93x = 17,484.20 × 7,363.41
  4. Step 4: Simplify right side
    12,668.93x = 128,743,299.77
  5. Step 5: Solve for x
    x = 128,743,299.77/12,668.93
  6. Step 6: Final answer
    x = 10,162.13

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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.