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Finding the Fourth Proportional to 66,883.56, 100,326.72 and 19,502.22

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Solution

The fourth proportional to 66,883.56, 100,326.72 and 19,502.22 is: 29,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,883.56 : 100,326.72 = 19,502.22 : x
  2. Step 2: Convert to fraction form
    66,883.56/100,326.72 = 19,502.22/x
  3. Step 3: Cross multiply
    66,883.56x = 100,326.72 × 19,502.22
  4. Step 4: Simplify right side
    66,883.56x = 1,956,593,765.32
  5. Step 5: Solve for x
    x = 1,956,593,765.32/66,883.56
  6. Step 6: Final answer
    x = 29,253.73

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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.