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Finding the Fourth Proportional to 7,398.48, 11,097.71 and 1,851.82

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Solution

The fourth proportional to 7,398.48, 11,097.71 and 1,851.82 is: 2,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.48 : 11,097.71 = 1,851.82 : x
  2. Step 2: Convert to fraction form
    7,398.48/11,097.71 = 1,851.82/x
  3. Step 3: Cross multiply
    7,398.48x = 11,097.71 × 1,851.82
  4. Step 4: Simplify right side
    7,398.48x = 20,550,961.33
  5. Step 5: Solve for x
    x = 20,550,961.33/7,398.48
  6. Step 6: Final answer
    x = 2,777.73

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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.