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Finding the Fourth Proportional to 26,935.17, 40,402.95 and 9,405.01

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Solution

The fourth proportional to 26,935.17, 40,402.95 and 9,405.01 is: 14,107.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,935.17 : 40,402.95 = 9,405.01 : x
  2. Step 2: Convert to fraction form
    26,935.17/40,402.95 = 9,405.01/x
  3. Step 3: Cross multiply
    26,935.17x = 40,402.95 × 9,405.01
  4. Step 4: Simplify right side
    26,935.17x = 379,990,148.78
  5. Step 5: Solve for x
    x = 379,990,148.78/26,935.17
  6. Step 6: Final answer
    x = 14,107.58

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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.