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Finding the Fourth Proportional to 14,609.01, 21,899.65 and 4,741.39

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Solution

The fourth proportional to 14,609.01, 21,899.65 and 4,741.39 is: 7,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.01 : 21,899.65 = 4,741.39 : x
  2. Step 2: Convert to fraction form
    14,609.01/21,899.65 = 4,741.39/x
  3. Step 3: Cross multiply
    14,609.01x = 21,899.65 × 4,741.39
  4. Step 4: Simplify right side
    14,609.01x = 103,834,781.51
  5. Step 5: Solve for x
    x = 103,834,781.51/14,609.01
  6. Step 6: Final answer
    x = 7,107.59

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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.