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Finding the Fourth Proportional to 61,884.01, 85,405.46 and 36,377.59

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Solution

The fourth proportional to 61,884.01, 85,405.46 and 36,377.59 is: 50,204.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,884.01 : 85,405.46 = 36,377.59 : x
  2. Step 2: Convert to fraction form
    61,884.01/85,405.46 = 36,377.59/x
  3. Step 3: Cross multiply
    61,884.01x = 85,405.46 × 36,377.59
  4. Step 4: Simplify right side
    61,884.01x = 3,106,844,807.64
  5. Step 5: Solve for x
    x = 3,106,844,807.64/61,884.01
  6. Step 6: Final answer
    x = 50,204.32

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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.