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Finding the Fourth Proportional to 11,249.64, 15,526.86 and 7,473.12

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Solution

The fourth proportional to 11,249.64, 15,526.86 and 7,473.12 is: 10,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.64 : 15,526.86 = 7,473.12 : x
  2. Step 2: Convert to fraction form
    11,249.64/15,526.86 = 7,473.12/x
  3. Step 3: Cross multiply
    11,249.64x = 15,526.86 × 7,473.12
  4. Step 4: Simplify right side
    11,249.64x = 116,034,088.00
  5. Step 5: Solve for x
    x = 116,034,088.00/11,249.64
  6. Step 6: Final answer
    x = 10,314.47

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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.