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Finding the Fourth Proportional to 39,794.60, 54,914 and 22,798.92

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Solution

The fourth proportional to 39,794.60, 54,914 and 22,798.92 is: 31,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,794.60 : 54,914 = 22,798.92 : x
  2. Step 2: Convert to fraction form
    39,794.60/54,914 = 22,798.92/x
  3. Step 3: Cross multiply
    39,794.60x = 54,914 × 22,798.92
  4. Step 4: Simplify right side
    39,794.60x = 1,251,979,892.88
  5. Step 5: Solve for x
    x = 1,251,979,892.88/39,794.60
  6. Step 6: Final answer
    x = 31,461.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.