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Finding the Fourth Proportional to 14,806.80, 22,187.79 and 6,482.16

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Solution

The fourth proportional to 14,806.80, 22,187.79 and 6,482.16 is: 9,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,806.80 : 22,187.79 = 6,482.16 : x
  2. Step 2: Convert to fraction form
    14,806.80/22,187.79 = 6,482.16/x
  3. Step 3: Cross multiply
    14,806.80x = 22,187.79 × 6,482.16
  4. Step 4: Simplify right side
    14,806.80x = 143,824,804.83
  5. Step 5: Solve for x
    x = 143,824,804.83/14,806.80
  6. Step 6: Final answer
    x = 9,713.43

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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.