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Finding the Fourth Proportional to 43,806.30, 65,725.65 and 17,529.90

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Solution

The fourth proportional to 43,806.30, 65,725.65 and 17,529.90 is: 26,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,806.30 : 65,725.65 = 17,529.90 : x
  2. Step 2: Convert to fraction form
    43,806.30/65,725.65 = 17,529.90/x
  3. Step 3: Cross multiply
    43,806.30x = 65,725.65 × 17,529.90
  4. Step 4: Simplify right side
    43,806.30x = 1,152,164,071.94
  5. Step 5: Solve for x
    x = 1,152,164,071.94/43,806.30
  6. Step 6: Final answer
    x = 26,301.33

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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.