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Finding the Fourth Proportional to 65,832.76, 90,849.11 and 35,617.98

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Solution

The fourth proportional to 65,832.76, 90,849.11 and 35,617.98 is: 49,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,832.76 : 90,849.11 = 35,617.98 : x
  2. Step 2: Convert to fraction form
    65,832.76/90,849.11 = 35,617.98/x
  3. Step 3: Cross multiply
    65,832.76x = 90,849.11 × 35,617.98
  4. Step 4: Simplify right side
    65,832.76x = 3,235,861,783.00
  5. Step 5: Solve for x
    x = 3,235,861,783.00/65,832.76
  6. Step 6: Final answer
    x = 49,152.76

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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.