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Finding the Fourth Proportional to 63,889.86, 88,168.92 and 36,670.38

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Solution

The fourth proportional to 63,889.86, 88,168.92 and 36,670.38 is: 50,605.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,889.86 : 88,168.92 = 36,670.38 : x
  2. Step 2: Convert to fraction form
    63,889.86/88,168.92 = 36,670.38/x
  3. Step 3: Cross multiply
    63,889.86x = 88,168.92 × 36,670.38
  4. Step 4: Simplify right side
    63,889.86x = 3,233,187,800.59
  5. Step 5: Solve for x
    x = 3,233,187,800.59/63,889.86
  6. Step 6: Final answer
    x = 50,605.65

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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.