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Finding the Fourth Proportional to 14,713.10, 22,079.36 and 6,922.52

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Solution

The fourth proportional to 14,713.10, 22,079.36 and 6,922.52 is: 10,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.10 : 22,079.36 = 6,922.52 : x
  2. Step 2: Convert to fraction form
    14,713.10/22,079.36 = 6,922.52/x
  3. Step 3: Cross multiply
    14,713.10x = 22,079.36 × 6,922.52
  4. Step 4: Simplify right side
    14,713.10x = 152,844,811.19
  5. Step 5: Solve for x
    x = 152,844,811.19/14,713.10
  6. Step 6: Final answer
    x = 10,388.35

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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.