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Finding the Fourth Proportional to 2,753.63, 4,115.31 and 2,014.79

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Solution

The fourth proportional to 2,753.63, 4,115.31 and 2,014.79 is: 3,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.63 : 4,115.31 = 2,014.79 : x
  2. Step 2: Convert to fraction form
    2,753.63/4,115.31 = 2,014.79/x
  3. Step 3: Cross multiply
    2,753.63x = 4,115.31 × 2,014.79
  4. Step 4: Simplify right side
    2,753.63x = 8,291,475.36
  5. Step 5: Solve for x
    x = 8,291,475.36/2,753.63
  6. Step 6: Final answer
    x = 3,011.11

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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.