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Finding the Fourth Proportional to 36,841.71, 55,278.90 and 19,307.37

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Solution

The fourth proportional to 36,841.71, 55,278.90 and 19,307.37 is: 28,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,841.71 : 55,278.90 = 19,307.37 : x
  2. Step 2: Convert to fraction form
    36,841.71/55,278.90 = 19,307.37/x
  3. Step 3: Cross multiply
    36,841.71x = 55,278.90 × 19,307.37
  4. Step 4: Simplify right side
    36,841.71x = 1,067,290,175.49
  5. Step 5: Solve for x
    x = 1,067,290,175.49/36,841.71
  6. Step 6: Final answer
    x = 28,969.62

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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.