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Finding the Fourth Proportional to 65,544.56, 90,451.44 and 35,736.56

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Solution

The fourth proportional to 65,544.56, 90,451.44 and 35,736.56 is: 49,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,544.56 : 90,451.44 = 35,736.56 : x
  2. Step 2: Convert to fraction form
    65,544.56/90,451.44 = 35,736.56/x
  3. Step 3: Cross multiply
    65,544.56x = 90,451.44 × 35,736.56
  4. Step 4: Simplify right side
    65,544.56x = 3,232,423,312.65
  5. Step 5: Solve for x
    x = 3,232,423,312.65/65,544.56
  6. Step 6: Final answer
    x = 49,316.42

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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.