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Finding the Fourth Proportional to 52,695.60, 79,066.80 and 27,729.60

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Solution

The fourth proportional to 52,695.60, 79,066.80 and 27,729.60 is: 41,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,695.60 : 79,066.80 = 27,729.60 : x
  2. Step 2: Convert to fraction form
    52,695.60/79,066.80 = 27,729.60/x
  3. Step 3: Cross multiply
    52,695.60x = 79,066.80 × 27,729.60
  4. Step 4: Simplify right side
    52,695.60x = 2,192,490,737.28
  5. Step 5: Solve for x
    x = 2,192,490,737.28/52,695.60
  6. Step 6: Final answer
    x = 41,606.71

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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.