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Finding the Fourth Proportional to 66,361.52, 99,538.68 and 26,908.04

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Solution

The fourth proportional to 66,361.52, 99,538.68 and 26,908.04 is: 40,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,361.52 : 99,538.68 = 26,908.04 : x
  2. Step 2: Convert to fraction form
    66,361.52/99,538.68 = 26,908.04/x
  3. Step 3: Cross multiply
    66,361.52x = 99,538.68 × 26,908.04
  4. Step 4: Simplify right side
    66,361.52x = 2,678,390,782.99
  5. Step 5: Solve for x
    x = 2,678,390,782.99/66,361.52
  6. Step 6: Final answer
    x = 40,360.60

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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.