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Finding the Fourth Proportional to 63,762.05, 87,986.18 and 36,906.23

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Solution

The fourth proportional to 63,762.05, 87,986.18 and 36,906.23 is: 50,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,762.05 : 87,986.18 = 36,906.23 : x
  2. Step 2: Convert to fraction form
    63,762.05/87,986.18 = 36,906.23/x
  3. Step 3: Cross multiply
    63,762.05x = 87,986.18 × 36,906.23
  4. Step 4: Simplify right side
    63,762.05x = 3,247,238,508.13
  5. Step 5: Solve for x
    x = 3,247,238,508.13/63,762.05
  6. Step 6: Final answer
    x = 50,927.45

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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.