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Finding the Fourth Proportional to 65,632.67, 90,570.98 and 36,953.81

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Solution

The fourth proportional to 65,632.67, 90,570.98 and 36,953.81 is: 50,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,632.67 : 90,570.98 = 36,953.81 : x
  2. Step 2: Convert to fraction form
    65,632.67/90,570.98 = 36,953.81/x
  3. Step 3: Cross multiply
    65,632.67x = 90,570.98 × 36,953.81
  4. Step 4: Simplify right side
    65,632.67x = 3,346,942,425.96
  5. Step 5: Solve for x
    x = 3,346,942,425.96/65,632.67
  6. Step 6: Final answer
    x = 50,995.07

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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.