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Finding the Fourth Proportional to 62,387.34, 86,204.52 and 46,231.44

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Solution

The fourth proportional to 62,387.34, 86,204.52 and 46,231.44 is: 63,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,387.34 : 86,204.52 = 46,231.44 : x
  2. Step 2: Convert to fraction form
    62,387.34/86,204.52 = 46,231.44/x
  3. Step 3: Cross multiply
    62,387.34x = 86,204.52 × 46,231.44
  4. Step 4: Simplify right side
    62,387.34x = 3,985,359,094.11
  5. Step 5: Solve for x
    x = 3,985,359,094.11/62,387.34
  6. Step 6: Final answer
    x = 63,880.89

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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.