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Finding the Fourth Proportional to 12,029.40, 16,600.48 and 6,724.17

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Solution

The fourth proportional to 12,029.40, 16,600.48 and 6,724.17 is: 9,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.40 : 16,600.48 = 6,724.17 : x
  2. Step 2: Convert to fraction form
    12,029.40/16,600.48 = 6,724.17/x
  3. Step 3: Cross multiply
    12,029.40x = 16,600.48 × 6,724.17
  4. Step 4: Simplify right side
    12,029.40x = 111,624,432.79
  5. Step 5: Solve for x
    x = 111,624,432.79/12,029.40
  6. Step 6: Final answer
    x = 9,279.30

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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.