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Finding the Fourth Proportional to 66,953.44, 100,427.12 and 29,503.50

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Solution

The fourth proportional to 66,953.44, 100,427.12 and 29,503.50 is: 44,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,953.44 : 100,427.12 = 29,503.50 : x
  2. Step 2: Convert to fraction form
    66,953.44/100,427.12 = 29,503.50/x
  3. Step 3: Cross multiply
    66,953.44x = 100,427.12 × 29,503.50
  4. Step 4: Simplify right side
    66,953.44x = 2,962,951,534.92
  5. Step 5: Solve for x
    x = 2,962,951,534.92/66,953.44
  6. Step 6: Final answer
    x = 44,253.91

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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.