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Finding the Fourth Proportional to 14,615.56, 21,923.34 and 4,755.84

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Solution

The fourth proportional to 14,615.56, 21,923.34 and 4,755.84 is: 7,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.56 : 21,923.34 = 4,755.84 : x
  2. Step 2: Convert to fraction form
    14,615.56/21,923.34 = 4,755.84/x
  3. Step 3: Cross multiply
    14,615.56x = 21,923.34 × 4,755.84
  4. Step 4: Simplify right side
    14,615.56x = 104,263,897.31
  5. Step 5: Solve for x
    x = 104,263,897.31/14,615.56
  6. Step 6: Final answer
    x = 7,133.76

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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.