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Finding the Fourth Proportional to 26,708.68, 40,063 and 9,178.36

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Solution

The fourth proportional to 26,708.68, 40,063 and 9,178.36 is: 13,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,708.68 : 40,063 = 9,178.36 : x
  2. Step 2: Convert to fraction form
    26,708.68/40,063 = 9,178.36/x
  3. Step 3: Cross multiply
    26,708.68x = 40,063 × 9,178.36
  4. Step 4: Simplify right side
    26,708.68x = 367,712,636.68
  5. Step 5: Solve for x
    x = 367,712,636.68/26,708.68
  6. Step 6: Final answer
    x = 13,767.53

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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.