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Finding the Fourth Proportional to 62,405.83, 86,106.48 and 36,913.60

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Solution

The fourth proportional to 62,405.83, 86,106.48 and 36,913.60 is: 50,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,405.83 : 86,106.48 = 36,913.60 : x
  2. Step 2: Convert to fraction form
    62,405.83/86,106.48 = 36,913.60/x
  3. Step 3: Cross multiply
    62,405.83x = 86,106.48 × 36,913.60
  4. Step 4: Simplify right side
    62,405.83x = 3,178,500,160.13
  5. Step 5: Solve for x
    x = 3,178,500,160.13/62,405.83
  6. Step 6: Final answer
    x = 50,932.74

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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.