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Finding the Fourth Proportional to 62,310, 85,986.60 and 34,015.92

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Solution

The fourth proportional to 62,310, 85,986.60 and 34,015.92 is: 46,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,310 : 85,986.60 = 34,015.92 : x
  2. Step 2: Convert to fraction form
    62,310/85,986.60 = 34,015.92/x
  3. Step 3: Cross multiply
    62,310x = 85,986.60 × 34,015.92
  4. Step 4: Simplify right side
    62,310x = 2,924,913,306.67
  5. Step 5: Solve for x
    x = 2,924,913,306.67/62,310
  6. Step 6: Final answer
    x = 46,941.31

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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.