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Finding the Fourth Proportional to 10,392.24, 14,331.05 and 6,412.51

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Solution

The fourth proportional to 10,392.24, 14,331.05 and 6,412.51 is: 8,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.24 : 14,331.05 = 6,412.51 : x
  2. Step 2: Convert to fraction form
    10,392.24/14,331.05 = 6,412.51/x
  3. Step 3: Cross multiply
    10,392.24x = 14,331.05 × 6,412.51
  4. Step 4: Simplify right side
    10,392.24x = 91,897,933.55
  5. Step 5: Solve for x
    x = 91,897,933.55/10,392.24
  6. Step 6: Final answer
    x = 8,842.94

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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.