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Finding the Fourth Proportional to 52,956.48, 79,444.50 and 17,419.80

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Solution

The fourth proportional to 52,956.48, 79,444.50 and 17,419.80 is: 26,132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,956.48 : 79,444.50 = 17,419.80 : x
  2. Step 2: Convert to fraction form
    52,956.48/79,444.50 = 17,419.80/x
  3. Step 3: Cross multiply
    52,956.48x = 79,444.50 × 17,419.80
  4. Step 4: Simplify right side
    52,956.48x = 1,383,907,301.10
  5. Step 5: Solve for x
    x = 1,383,907,301.10/52,956.48
  6. Step 6: Final answer
    x = 26,132.92

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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.