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Finding the Fourth Proportional to 52,494.72, 78,654.42 and 36,884.40

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Solution

The fourth proportional to 52,494.72, 78,654.42 and 36,884.40 is: 55,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,494.72 : 78,654.42 = 36,884.40 : x
  2. Step 2: Convert to fraction form
    52,494.72/78,654.42 = 36,884.40/x
  3. Step 3: Cross multiply
    52,494.72x = 78,654.42 × 36,884.40
  4. Step 4: Simplify right side
    52,494.72x = 2,901,121,089.05
  5. Step 5: Solve for x
    x = 2,901,121,089.05/52,494.72
  6. Step 6: Final answer
    x = 55,265.01

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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.