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Finding the Fourth Proportional to 7,067.88, 10,602.09 and 1,873.80

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Solution

The fourth proportional to 7,067.88, 10,602.09 and 1,873.80 is: 2,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.88 : 10,602.09 = 1,873.80 : x
  2. Step 2: Convert to fraction form
    7,067.88/10,602.09 = 1,873.80/x
  3. Step 3: Cross multiply
    7,067.88x = 10,602.09 × 1,873.80
  4. Step 4: Simplify right side
    7,067.88x = 19,866,196.24
  5. Step 5: Solve for x
    x = 19,866,196.24/7,067.88
  6. Step 6: Final answer
    x = 2,810.77

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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.