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Finding the Fourth Proportional to 12,029.30, 16,600.53 and 6,724.34

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Solution

The fourth proportional to 12,029.30, 16,600.53 and 6,724.34 is: 9,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.30 : 16,600.53 = 6,724.34 : x
  2. Step 2: Convert to fraction form
    12,029.30/16,600.53 = 6,724.34/x
  3. Step 3: Cross multiply
    12,029.30x = 16,600.53 × 6,724.34
  4. Step 4: Simplify right side
    12,029.30x = 111,627,607.90
  5. Step 5: Solve for x
    x = 111,627,607.90/12,029.30
  6. Step 6: Final answer
    x = 9,279.64

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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.