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Finding the Fourth Proportional to 14,803.16, 22,205.21 and 4,943.30

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Solution

The fourth proportional to 14,803.16, 22,205.21 and 4,943.30 is: 7,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.16 : 22,205.21 = 4,943.30 : x
  2. Step 2: Convert to fraction form
    14,803.16/22,205.21 = 4,943.30/x
  3. Step 3: Cross multiply
    14,803.16x = 22,205.21 × 4,943.30
  4. Step 4: Simplify right side
    14,803.16x = 109,766,878.85
  5. Step 5: Solve for x
    x = 109,766,878.85/14,803.16
  6. Step 6: Final answer
    x = 7,415.10

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Why These Related Problems?

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