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Finding the Fourth Proportional to 12,064.53, 16,649.00 and 6,759.21

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Solution

The fourth proportional to 12,064.53, 16,649.00 and 6,759.21 is: 9,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,064.53 : 16,649.00 = 6,759.21 : x
  2. Step 2: Convert to fraction form
    12,064.53/16,649.00 = 6,759.21/x
  3. Step 3: Cross multiply
    12,064.53x = 16,649.00 × 6,759.21
  4. Step 4: Simplify right side
    12,064.53x = 112,534,053.49
  5. Step 5: Solve for x
    x = 112,534,053.49/12,064.53
  6. Step 6: Final answer
    x = 9,327.68

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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.