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Finding the Fourth Proportional to 66,451.44, 99,672.84 and 35,304.24

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Solution

The fourth proportional to 66,451.44, 99,672.84 and 35,304.24 is: 52,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,451.44 : 99,672.84 = 35,304.24 : x
  2. Step 2: Convert to fraction form
    66,451.44/99,672.84 = 35,304.24/x
  3. Step 3: Cross multiply
    66,451.44x = 99,672.84 × 35,304.24
  4. Step 4: Simplify right side
    66,451.44x = 3,518,873,864.84
  5. Step 5: Solve for x
    x = 3,518,873,864.84/66,451.44
  6. Step 6: Final answer
    x = 52,954.06

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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.