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Finding the Fourth Proportional to 10,332.89, 14,266.26 and 7,938.61

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Solution

The fourth proportional to 10,332.89, 14,266.26 and 7,938.61 is: 10,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.89 : 14,266.26 = 7,938.61 : x
  2. Step 2: Convert to fraction form
    10,332.89/14,266.26 = 7,938.61/x
  3. Step 3: Cross multiply
    10,332.89x = 14,266.26 × 7,938.61
  4. Step 4: Simplify right side
    10,332.89x = 113,254,274.30
  5. Step 5: Solve for x
    x = 113,254,274.30/10,332.89
  6. Step 6: Final answer
    x = 10,960.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.