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Finding the Fourth Proportional to 66,632.86, 91,958.58 and 37,953.73

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Solution

The fourth proportional to 66,632.86, 91,958.58 and 37,953.73 is: 52,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,632.86 : 91,958.58 = 37,953.73 : x
  2. Step 2: Convert to fraction form
    66,632.86/91,958.58 = 37,953.73/x
  3. Step 3: Cross multiply
    66,632.86x = 91,958.58 × 37,953.73
  4. Step 4: Simplify right side
    66,632.86x = 3,490,171,116.50
  5. Step 5: Solve for x
    x = 3,490,171,116.50/66,632.86
  6. Step 6: Final answer
    x = 52,379.13

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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.