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Finding the Fourth Proportional to 14,722.36, 22,060.86 and 6,820.00

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Solution

The fourth proportional to 14,722.36, 22,060.86 and 6,820.00 is: 10,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.36 : 22,060.86 = 6,820.00 : x
  2. Step 2: Convert to fraction form
    14,722.36/22,060.86 = 6,820.00/x
  3. Step 3: Cross multiply
    14,722.36x = 22,060.86 × 6,820.00
  4. Step 4: Simplify right side
    14,722.36x = 150,454,984.47
  5. Step 5: Solve for x
    x = 150,454,984.47/14,722.36
  6. Step 6: Final answer
    x = 10,219.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.