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Finding the Fourth Proportional to 9,525.60, 13,167.36 and 7,944.48

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Solution

The fourth proportional to 9,525.60, 13,167.36 and 7,944.48 is: 10,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,525.60 : 13,167.36 = 7,944.48 : x
  2. Step 2: Convert to fraction form
    9,525.60/13,167.36 = 7,944.48/x
  3. Step 3: Cross multiply
    9,525.60x = 13,167.36 × 7,944.48
  4. Step 4: Simplify right side
    9,525.60x = 104,607,828.17
  5. Step 5: Solve for x
    x = 104,607,828.17/9,525.60
  6. Step 6: Final answer
    x = 10,981.76

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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.