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Finding the Fourth Proportional to 39,620.59, 59,409.42 and 17,407.96

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Solution

The fourth proportional to 39,620.59, 59,409.42 and 17,407.96 is: 26,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,620.59 : 59,409.42 = 17,407.96 : x
  2. Step 2: Convert to fraction form
    39,620.59/59,409.42 = 17,407.96/x
  3. Step 3: Cross multiply
    39,620.59x = 59,409.42 × 17,407.96
  4. Step 4: Simplify right side
    39,620.59x = 1,034,196,806.98
  5. Step 5: Solve for x
    x = 1,034,196,806.98/39,620.59
  6. Step 6: Final answer
    x = 26,102.51

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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.