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Finding the Fourth Proportional to 12,793.99, 17,650.03 and 7,486.47

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Solution

The fourth proportional to 12,793.99, 17,650.03 and 7,486.47 is: 10,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.99 : 17,650.03 = 7,486.47 : x
  2. Step 2: Convert to fraction form
    12,793.99/17,650.03 = 7,486.47/x
  3. Step 3: Cross multiply
    12,793.99x = 17,650.03 × 7,486.47
  4. Step 4: Simplify right side
    12,793.99x = 132,136,420.09
  5. Step 5: Solve for x
    x = 132,136,420.09/12,793.99
  6. Step 6: Final answer
    x = 10,328.01

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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.