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Finding the Fourth Proportional to 36,893.64, 55,242.02 and 19,326.62

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Solution

The fourth proportional to 36,893.64, 55,242.02 and 19,326.62 is: 28,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,893.64 : 55,242.02 = 19,326.62 : x
  2. Step 2: Convert to fraction form
    36,893.64/55,242.02 = 19,326.62/x
  3. Step 3: Cross multiply
    36,893.64x = 55,242.02 × 19,326.62
  4. Step 4: Simplify right side
    36,893.64x = 1,067,641,528.57
  5. Step 5: Solve for x
    x = 1,067,641,528.57/36,893.64
  6. Step 6: Final answer
    x = 28,938.36

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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.