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Finding the Fourth Proportional to 62,871.42, 86,737.94 and 35,999.47

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Solution

The fourth proportional to 62,871.42, 86,737.94 and 35,999.47 is: 49,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,871.42 : 86,737.94 = 35,999.47 : x
  2. Step 2: Convert to fraction form
    62,871.42/86,737.94 = 35,999.47/x
  3. Step 3: Cross multiply
    62,871.42x = 86,737.94 × 35,999.47
  4. Step 4: Simplify right side
    62,871.42x = 3,122,519,435.20
  5. Step 5: Solve for x
    x = 3,122,519,435.20/62,871.42
  6. Step 6: Final answer
    x = 49,665.16

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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.