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Finding the Fourth Proportional to 66,457.44, 99,681.84 and 35,310.24

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Solution

The fourth proportional to 66,457.44, 99,681.84 and 35,310.24 is: 52,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,457.44 : 99,681.84 = 35,310.24 : x
  2. Step 2: Convert to fraction form
    66,457.44/99,681.84 = 35,310.24/x
  3. Step 3: Cross multiply
    66,457.44x = 99,681.84 × 35,310.24
  4. Step 4: Simplify right side
    66,457.44x = 3,519,789,694.04
  5. Step 5: Solve for x
    x = 3,519,789,694.04/66,457.44
  6. Step 6: Final answer
    x = 52,963.06

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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.