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Finding the Fourth Proportional to 66,245.06, 99,322.63 and 33,707.32

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Solution

The fourth proportional to 66,245.06, 99,322.63 and 33,707.32 is: 50,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,245.06 : 99,322.63 = 33,707.32 : x
  2. Step 2: Convert to fraction form
    66,245.06/99,322.63 = 33,707.32/x
  3. Step 3: Cross multiply
    66,245.06x = 99,322.63 × 33,707.32
  4. Step 4: Simplify right side
    66,245.06x = 3,347,899,672.65
  5. Step 5: Solve for x
    x = 3,347,899,672.65/66,245.06
  6. Step 6: Final answer
    x = 50,538.10

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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.