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Finding the Fourth Proportional to 62,997.48, 86,938.31 and 36,144.77

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Solution

The fourth proportional to 62,997.48, 86,938.31 and 36,144.77 is: 49,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,997.48 : 86,938.31 = 36,144.77 : x
  2. Step 2: Convert to fraction form
    62,997.48/86,938.31 = 36,144.77/x
  3. Step 3: Cross multiply
    62,997.48x = 86,938.31 × 36,144.77
  4. Step 4: Simplify right side
    62,997.48x = 3,142,364,874.81
  5. Step 5: Solve for x
    x = 3,142,364,874.81/62,997.48
  6. Step 6: Final answer
    x = 49,880.80

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1.5x scale

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.