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Finding the Fourth Proportional to 11,322.66, 15,627.12 and 6,288.48

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Solution

The fourth proportional to 11,322.66, 15,627.12 and 6,288.48 is: 8,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.66 : 15,627.12 = 6,288.48 : x
  2. Step 2: Convert to fraction form
    11,322.66/15,627.12 = 6,288.48/x
  3. Step 3: Cross multiply
    11,322.66x = 15,627.12 × 6,288.48
  4. Step 4: Simplify right side
    11,322.66x = 98,270,831.58
  5. Step 5: Solve for x
    x = 98,270,831.58/11,322.66
  6. Step 6: Final answer
    x = 8,679.13

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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.