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Finding the Fourth Proportional to 14,610.50, 21,904.81 and 4,743.89

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Solution

The fourth proportional to 14,610.50, 21,904.81 and 4,743.89 is: 7,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.50 : 21,904.81 = 4,743.89 : x
  2. Step 2: Convert to fraction form
    14,610.50/21,904.81 = 4,743.89/x
  3. Step 3: Cross multiply
    14,610.50x = 21,904.81 × 4,743.89
  4. Step 4: Simplify right side
    14,610.50x = 103,914,009.11
  5. Step 5: Solve for x
    x = 103,914,009.11/14,610.50
  6. Step 6: Final answer
    x = 7,112.28

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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.