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Finding the Fourth Proportional to 14,655.99, 21,986.72 and 4,795.81

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Solution

The fourth proportional to 14,655.99, 21,986.72 and 4,795.81 is: 7,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.99 : 21,986.72 = 4,795.81 : x
  2. Step 2: Convert to fraction form
    14,655.99/21,986.72 = 4,795.81/x
  3. Step 3: Cross multiply
    14,655.99x = 21,986.72 × 4,795.81
  4. Step 4: Simplify right side
    14,655.99x = 105,444,057.19
  5. Step 5: Solve for x
    x = 105,444,057.19/14,655.99
  6. Step 6: Final answer
    x = 7,194.61

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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.