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Finding the Fourth Proportional to 62,395.68, 86,112 and 35,544.72

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Solution

The fourth proportional to 62,395.68, 86,112 and 35,544.72 is: 49,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,395.68 : 86,112 = 35,544.72 : x
  2. Step 2: Convert to fraction form
    62,395.68/86,112 = 35,544.72/x
  3. Step 3: Cross multiply
    62,395.68x = 86,112 × 35,544.72
  4. Step 4: Simplify right side
    62,395.68x = 3,060,826,928.64
  5. Step 5: Solve for x
    x = 3,060,826,928.64/62,395.68
  6. Step 6: Final answer
    x = 49,055.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.