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Finding the Fourth Proportional to 66,528, 99,796.23 and 27,063.54

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Solution

The fourth proportional to 66,528, 99,796.23 and 27,063.54 is: 40,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528 : 99,796.23 = 27,063.54 : x
  2. Step 2: Convert to fraction form
    66,528/99,796.23 = 27,063.54/x
  3. Step 3: Cross multiply
    66,528x = 99,796.23 × 27,063.54
  4. Step 4: Simplify right side
    66,528x = 2,700,839,262.45
  5. Step 5: Solve for x
    x = 2,700,839,262.45/66,528
  6. Step 6: Final answer
    x = 40,597.03

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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.