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Finding the Fourth Proportional to 10,321.56, 14,235.12 and 7,483.32

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Solution

The fourth proportional to 10,321.56, 14,235.12 and 7,483.32 is: 10,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.56 : 14,235.12 = 7,483.32 : x
  2. Step 2: Convert to fraction form
    10,321.56/14,235.12 = 7,483.32/x
  3. Step 3: Cross multiply
    10,321.56x = 14,235.12 × 7,483.32
  4. Step 4: Simplify right side
    10,321.56x = 106,525,958.20
  5. Step 5: Solve for x
    x = 106,525,958.20/10,321.56
  6. Step 6: Final answer
    x = 10,320.72

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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.