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Finding the Fourth Proportional to 26,602, 39,903.20 and 11,806.94

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Solution

The fourth proportional to 26,602, 39,903.20 and 11,806.94 is: 17,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,602 : 39,903.20 = 11,806.94 : x
  2. Step 2: Convert to fraction form
    26,602/39,903.20 = 11,806.94/x
  3. Step 3: Cross multiply
    26,602x = 39,903.20 × 11,806.94
  4. Step 4: Simplify right side
    26,602x = 471,134,688.21
  5. Step 5: Solve for x
    x = 471,134,688.21/26,602
  6. Step 6: Final answer
    x = 17,710.50

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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.