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Finding the Fourth Proportional to 52,910.64, 79,365.68 and 13,468.32

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Solution

The fourth proportional to 52,910.64, 79,365.68 and 13,468.32 is: 20,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,910.64 : 79,365.68 = 13,468.32 : x
  2. Step 2: Convert to fraction form
    52,910.64/79,365.68 = 13,468.32/x
  3. Step 3: Cross multiply
    52,910.64x = 79,365.68 × 13,468.32
  4. Step 4: Simplify right side
    52,910.64x = 1,068,922,375.26
  5. Step 5: Solve for x
    x = 1,068,922,375.26/52,910.64
  6. Step 6: Final answer
    x = 20,202.41

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1.5x scale

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.