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Finding the Fourth Proportional to 52,742.44, 79,106.46 and 17,681.32

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Solution

The fourth proportional to 52,742.44, 79,106.46 and 17,681.32 is: 26,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,742.44 : 79,106.46 = 17,681.32 : x
  2. Step 2: Convert to fraction form
    52,742.44/79,106.46 = 17,681.32/x
  3. Step 3: Cross multiply
    52,742.44x = 79,106.46 × 17,681.32
  4. Step 4: Simplify right side
    52,742.44x = 1,398,706,633.33
  5. Step 5: Solve for x
    x = 1,398,706,633.33/52,742.44
  6. Step 6: Final answer
    x = 26,519.57

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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.