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Finding the Fourth Proportional to 3,798.93, 5,665.92 and 3,666.68

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Solution

The fourth proportional to 3,798.93, 5,665.92 and 3,666.68 is: 5,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.93 : 5,665.92 = 3,666.68 : x
  2. Step 2: Convert to fraction form
    3,798.93/5,665.92 = 3,666.68/x
  3. Step 3: Cross multiply
    3,798.93x = 5,665.92 × 3,666.68
  4. Step 4: Simplify right side
    3,798.93x = 20,775,133.62
  5. Step 5: Solve for x
    x = 20,775,133.62/3,798.93
  6. Step 6: Final answer
    x = 5,468.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.