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Finding the Fourth Proportional to 62,831, 86,706.96 and 35,973.92

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Solution

The fourth proportional to 62,831, 86,706.96 and 35,973.92 is: 49,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,831 : 86,706.96 = 35,973.92 : x
  2. Step 2: Convert to fraction form
    62,831/86,706.96 = 35,973.92/x
  3. Step 3: Cross multiply
    62,831x = 86,706.96 × 35,973.92
  4. Step 4: Simplify right side
    62,831x = 3,119,189,242.48
  5. Step 5: Solve for x
    x = 3,119,189,242.48/62,831
  6. Step 6: Final answer
    x = 49,644.11

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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.