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Finding the Fourth Proportional to 66,322.56, 91,525.08 and 36,514.56

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Solution

The fourth proportional to 66,322.56, 91,525.08 and 36,514.56 is: 50,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,322.56 : 91,525.08 = 36,514.56 : x
  2. Step 2: Convert to fraction form
    66,322.56/91,525.08 = 36,514.56/x
  3. Step 3: Cross multiply
    66,322.56x = 91,525.08 × 36,514.56
  4. Step 4: Simplify right side
    66,322.56x = 3,341,998,025.16
  5. Step 5: Solve for x
    x = 3,341,998,025.16/66,322.56
  6. Step 6: Final answer
    x = 50,390.06

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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.