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Finding the Fourth Proportional to 66,672.72, 100,005.84 and 22,330.08

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Solution

The fourth proportional to 66,672.72, 100,005.84 and 22,330.08 is: 33,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,672.72 : 100,005.84 = 22,330.08 : x
  2. Step 2: Convert to fraction form
    66,672.72/100,005.84 = 22,330.08/x
  3. Step 3: Cross multiply
    66,672.72x = 100,005.84 × 22,330.08
  4. Step 4: Simplify right side
    66,672.72x = 2,233,138,407.67
  5. Step 5: Solve for x
    x = 2,233,138,407.67/66,672.72
  6. Step 6: Final answer
    x = 33,494.03

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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.