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Finding the Fourth Proportional to 52,783.74, 79,176.62 and 17,245.16

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Solution

The fourth proportional to 52,783.74, 79,176.62 and 17,245.16 is: 25,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,783.74 : 79,176.62 = 17,245.16 : x
  2. Step 2: Convert to fraction form
    52,783.74/79,176.62 = 17,245.16/x
  3. Step 3: Cross multiply
    52,783.74x = 79,176.62 × 17,245.16
  4. Step 4: Simplify right side
    52,783.74x = 1,365,412,998.05
  5. Step 5: Solve for x
    x = 1,365,412,998.05/52,783.74
  6. Step 6: Final answer
    x = 25,868.06

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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.