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Finding the Fourth Proportional to 65,544.08, 90,450.96 and 35,736.08

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Solution

The fourth proportional to 65,544.08, 90,450.96 and 35,736.08 is: 49,315.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,544.08 : 90,450.96 = 35,736.08 : x
  2. Step 2: Convert to fraction form
    65,544.08/90,450.96 = 35,736.08/x
  3. Step 3: Cross multiply
    65,544.08x = 90,450.96 × 35,736.08
  4. Step 4: Simplify right side
    65,544.08x = 3,232,362,742.64
  5. Step 5: Solve for x
    x = 3,232,362,742.64/65,544.08
  6. Step 6: Final answer
    x = 49,315.86

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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.