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Finding the Fourth Proportional to 61,632.72, 92,449.80 and 22,190.76

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Solution

The fourth proportional to 61,632.72, 92,449.80 and 22,190.76 is: 33,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,632.72 : 92,449.80 = 22,190.76 : x
  2. Step 2: Convert to fraction form
    61,632.72/92,449.80 = 22,190.76/x
  3. Step 3: Cross multiply
    61,632.72x = 92,449.80 × 22,190.76
  4. Step 4: Simplify right side
    61,632.72x = 2,051,531,323.85
  5. Step 5: Solve for x
    x = 2,051,531,323.85/61,632.72
  6. Step 6: Final answer
    x = 33,286.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.