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Finding the Fourth Proportional to 2,186.86, 3,018.98 and 1,482.42

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Solution

The fourth proportional to 2,186.86, 3,018.98 and 1,482.42 is: 2,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.86 : 3,018.98 = 1,482.42 : x
  2. Step 2: Convert to fraction form
    2,186.86/3,018.98 = 1,482.42/x
  3. Step 3: Cross multiply
    2,186.86x = 3,018.98 × 1,482.42
  4. Step 4: Simplify right side
    2,186.86x = 4,475,388.92
  5. Step 5: Solve for x
    x = 4,475,388.92/2,186.86
  6. Step 6: Final answer
    x = 2,046.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.