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Finding the Fourth Proportional to 71,334.72, 98,463.74 and 41,140.17

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Solution

The fourth proportional to 71,334.72, 98,463.74 and 41,140.17 is: 56,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,334.72 : 98,463.74 = 41,140.17 : x
  2. Step 2: Convert to fraction form
    71,334.72/98,463.74 = 41,140.17/x
  3. Step 3: Cross multiply
    71,334.72x = 98,463.74 × 41,140.17
  4. Step 4: Simplify right side
    71,334.72x = 4,050,814,796.73
  5. Step 5: Solve for x
    x = 4,050,814,796.73/71,334.72
  6. Step 6: Final answer
    x = 56,786.02

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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.