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Finding the Fourth Proportional to 35,283.67, 48,691.87 and 19,367.78

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Solution

The fourth proportional to 35,283.67, 48,691.87 and 19,367.78 is: 26,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,283.67 : 48,691.87 = 19,367.78 : x
  2. Step 2: Convert to fraction form
    35,283.67/48,691.87 = 19,367.78/x
  3. Step 3: Cross multiply
    35,283.67x = 48,691.87 × 19,367.78
  4. Step 4: Simplify right side
    35,283.67x = 943,053,134.07
  5. Step 5: Solve for x
    x = 943,053,134.07/35,283.67
  6. Step 6: Final answer
    x = 26,727.75

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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.