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Finding the Fourth Proportional to 65,433.91, 98,199.72 and 48,605.78

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Solution

The fourth proportional to 65,433.91, 98,199.72 and 48,605.78 is: 72,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,433.91 : 98,199.72 = 48,605.78 : x
  2. Step 2: Convert to fraction form
    65,433.91/98,199.72 = 48,605.78/x
  3. Step 3: Cross multiply
    65,433.91x = 98,199.72 × 48,605.78
  4. Step 4: Simplify right side
    65,433.91x = 4,773,073,863.63
  5. Step 5: Solve for x
    x = 4,773,073,863.63/65,433.91
  6. Step 6: Final answer
    x = 72,944.96

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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.