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Finding the Fourth Proportional to 4,796.56, 6,620.70 and 2,807.56

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Solution

The fourth proportional to 4,796.56, 6,620.70 and 2,807.56 is: 3,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,796.56 : 6,620.70 = 2,807.56 : x
  2. Step 2: Convert to fraction form
    4,796.56/6,620.70 = 2,807.56/x
  3. Step 3: Cross multiply
    4,796.56x = 6,620.70 × 2,807.56
  4. Step 4: Simplify right side
    4,796.56x = 18,588,012.49
  5. Step 5: Solve for x
    x = 18,588,012.49/4,796.56
  6. Step 6: Final answer
    x = 3,875.28

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1.5x scale

Why These Related Problems?

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