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Finding the Fourth Proportional to 2,776.87, 3,830.52 and 1,714.15

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Solution

The fourth proportional to 2,776.87, 3,830.52 and 1,714.15 is: 2,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.87 : 3,830.52 = 1,714.15 : x
  2. Step 2: Convert to fraction form
    2,776.87/3,830.52 = 1,714.15/x
  3. Step 3: Cross multiply
    2,776.87x = 3,830.52 × 1,714.15
  4. Step 4: Simplify right side
    2,776.87x = 6,566,085.86
  5. Step 5: Solve for x
    x = 6,566,085.86/2,776.87
  6. Step 6: Final answer
    x = 2,364.56

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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.