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Finding the Fourth Proportional to 52,871.60, 79,275.72 and 16,832.48

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Solution

The fourth proportional to 52,871.60, 79,275.72 and 16,832.48 is: 25,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,871.60 : 79,275.72 = 16,832.48 : x
  2. Step 2: Convert to fraction form
    52,871.60/79,275.72 = 16,832.48/x
  3. Step 3: Cross multiply
    52,871.60x = 79,275.72 × 16,832.48
  4. Step 4: Simplify right side
    52,871.60x = 1,334,407,232.70
  5. Step 5: Solve for x
    x = 1,334,407,232.70/52,871.60
  6. Step 6: Final answer
    x = 25,238.64

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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.