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Finding the Fourth Proportional to 4,558.76, 6,822.64 and 2,892.09

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Solution

The fourth proportional to 4,558.76, 6,822.64 and 2,892.09 is: 4,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558.76 : 6,822.64 = 2,892.09 : x
  2. Step 2: Convert to fraction form
    4,558.76/6,822.64 = 2,892.09/x
  3. Step 3: Cross multiply
    4,558.76x = 6,822.64 × 2,892.09
  4. Step 4: Simplify right side
    4,558.76x = 19,731,688.92
  5. Step 5: Solve for x
    x = 19,731,688.92/4,558.76
  6. Step 6: Final answer
    x = 4,328.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.