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Finding the Fourth Proportional to 67,494.47, 101,241.70 and 17,574.42

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Solution

The fourth proportional to 67,494.47, 101,241.70 and 17,574.42 is: 26,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,494.47 : 101,241.70 = 17,574.42 : x
  2. Step 2: Convert to fraction form
    67,494.47/101,241.70 = 17,574.42/x
  3. Step 3: Cross multiply
    67,494.47x = 101,241.70 × 17,574.42
  4. Step 4: Simplify right side
    67,494.47x = 1,779,264,157.31
  5. Step 5: Solve for x
    x = 1,779,264,157.31/67,494.47
  6. Step 6: Final answer
    x = 26,361.63

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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.