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Finding the Fourth Proportional to 10,409.42, 14,365.23 and 5,693.71

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Solution

The fourth proportional to 10,409.42, 14,365.23 and 5,693.71 is: 7,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.42 : 14,365.23 = 5,693.71 : x
  2. Step 2: Convert to fraction form
    10,409.42/14,365.23 = 5,693.71/x
  3. Step 3: Cross multiply
    10,409.42x = 14,365.23 × 5,693.71
  4. Step 4: Simplify right side
    10,409.42x = 81,791,381.88
  5. Step 5: Solve for x
    x = 81,791,381.88/10,409.42
  6. Step 6: Final answer
    x = 7,857.44

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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.